- Interactable.dropzone([options])⚓➭ + Interactable.dropzone([options])⚓➭ @@ -433,7 +433,7 @@ Parameters - interact.dynamicDrop([newValue])⚓➭ + interact.dynamicDrop([newValue])⚓➭ @@ -497,7 +497,7 @@ Parameters - Interactable.resizable([options])⚓➭ + Interactable.resizable([options])⚓➭ @@ -638,7 +638,7 @@ Parameters - Interactable.gesturable([options])⚓➭ + Interactable.gesturable([options])⚓➭ @@ -758,7 +758,7 @@ Parameters - Interactable⚓➭ + Interactable⚓➭ @@ -783,7 +783,7 @@ Interactable - Interactable.getRect([element])⚓➭ + Interactable.getRect([element])⚓➭ @@ -888,7 +888,7 @@ Parameters - Interactable.rectChecker([checker])⚓➭ + Interactable.rectChecker([checker])⚓➭ @@ -951,7 +951,7 @@ Parameters - Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.dynamicDrop([newValue])⚓➭ + interact.dynamicDrop([newValue])⚓➭ @@ -497,7 +497,7 @@ Parameters - Interactable.resizable([options])⚓➭ + Interactable.resizable([options])⚓➭ @@ -638,7 +638,7 @@ Parameters - Interactable.gesturable([options])⚓➭ + Interactable.gesturable([options])⚓➭ @@ -758,7 +758,7 @@ Parameters - Interactable⚓➭ + Interactable⚓➭ @@ -783,7 +783,7 @@ Interactable - Interactable.getRect([element])⚓➭ + Interactable.getRect([element])⚓➭ @@ -888,7 +888,7 @@ Parameters - Interactable.rectChecker([checker])⚓➭ + Interactable.rectChecker([checker])⚓➭ @@ -951,7 +951,7 @@ Parameters - Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.resizable([options])⚓➭ + Interactable.resizable([options])⚓➭ @@ -638,7 +638,7 @@ Parameters - Interactable.gesturable([options])⚓➭ + Interactable.gesturable([options])⚓➭ @@ -758,7 +758,7 @@ Parameters - Interactable⚓➭ + Interactable⚓➭ @@ -783,7 +783,7 @@ Interactable - Interactable.getRect([element])⚓➭ + Interactable.getRect([element])⚓➭ @@ -888,7 +888,7 @@ Parameters - Interactable.rectChecker([checker])⚓➭ + Interactable.rectChecker([checker])⚓➭ @@ -951,7 +951,7 @@ Parameters - Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.gesturable([options])⚓➭ + Interactable.gesturable([options])⚓➭ @@ -758,7 +758,7 @@ Parameters - Interactable⚓➭ + Interactable⚓➭ @@ -783,7 +783,7 @@ Interactable - Interactable.getRect([element])⚓➭ + Interactable.getRect([element])⚓➭ @@ -888,7 +888,7 @@ Parameters - Interactable.rectChecker([checker])⚓➭ + Interactable.rectChecker([checker])⚓➭ @@ -951,7 +951,7 @@ Parameters - Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable⚓➭ + Interactable⚓➭ @@ -783,7 +783,7 @@ Interactable - Interactable.getRect([element])⚓➭ + Interactable.getRect([element])⚓➭ @@ -888,7 +888,7 @@ Parameters - Interactable.rectChecker([checker])⚓➭ + Interactable.rectChecker([checker])⚓➭ @@ -951,7 +951,7 @@ Parameters - Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.rectChecker([checker])⚓➭ + Interactable.rectChecker([checker])⚓➭ @@ -951,7 +951,7 @@ Parameters - Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.origin(…)⚓➭ + Interactable.origin(…)⚓➭ @@ -1041,7 +1041,7 @@ Parameters - Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.deltaSource([newValue])⚓➭ + Interactable.deltaSource([newValue])⚓➭ @@ -1104,7 +1104,7 @@ Parameters - Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.context()⚓➭ + Interactable.context()⚓➭ @@ -1146,7 +1146,7 @@ Interactable.context() - Interactable.fire(iEvent)⚓➭ + Interactable.fire(iEvent)⚓➭ @@ -1207,7 +1207,7 @@ Parameters - Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.on(eventType, listener, [options])⚓➭ + Interactable.on(eventType, listener, [options])⚓➭ @@ -1273,7 +1273,7 @@ Parameters - Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.off(eventType, listener, [options])⚓➭ + Interactable.off(eventType, listener, [options])⚓➭ @@ -1339,7 +1339,7 @@ Parameters - Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.set(options)⚓➭ + Interactable.set(options)⚓➭ @@ -1399,7 +1399,7 @@ Parameters - Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.unset()⚓➭ + Interactable.unset()⚓➭ @@ -1442,7 +1442,7 @@ Interactable.unset() - Interactable.actionChecker([checker])⚓➭ + Interactable.actionChecker([checker])⚓➭ @@ -1542,7 +1542,7 @@ Parameters - Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.styleCursor([newValue])⚓➭ + Interactable.styleCursor([newValue])⚓➭ @@ -1605,7 +1605,7 @@ Parameters - interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.maxInteractions([newValue])⚓➭ + interact.maxInteractions([newValue])⚓➭ @@ -1652,7 +1652,7 @@ Parameters - Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interactable.preventDefault([newValue])⚓➭ + Interactable.preventDefault([newValue])⚓➭ @@ -1718,7 +1718,7 @@ Parameters - interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact(element)⚓➭ + interact(element)⚓➭ @@ -1821,7 +1821,7 @@ Usage - interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.isSet(element)⚓➭ + interact.isSet(element)⚓➭ @@ -1881,7 +1881,7 @@ Parameters - interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.on(type, listener, [options])⚓➭ + interact.on(type, listener, [options])⚓➭ @@ -1948,7 +1948,7 @@ Parameters - interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.off(type, listener, [options])⚓➭ + interact.off(type, listener, [options])⚓➭ @@ -2014,7 +2014,7 @@ Parameters - interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.debug()⚓➭ + interact.debug()⚓➭ @@ -2056,7 +2056,7 @@ interact.debug() - interact.supportsTouch()⚓➭ + interact.supportsTouch()⚓➭ @@ -2097,7 +2097,7 @@ interact.supportsTouch() - interact.supportsPointerEvent()⚓➭ + interact.supportsPointerEvent()⚓➭ @@ -2138,7 +2138,7 @@ interact.supportsPointerEvent() - interact.stop(event)⚓➭ + interact.stop(event)⚓➭ @@ -2198,7 +2198,7 @@ Parameters - interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- interact.pointerMoveTolerance([newValue])⚓➭ + interact.pointerMoveTolerance([newValue])⚓➭ @@ -2261,7 +2261,7 @@ Parameters - Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interaction.start(action, target, element)⚓➭ + Interaction.start(action, target, element)⚓➭ @@ -2356,7 +2356,7 @@ Parameters - Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
- Interaction.doMove()⚓➭ + Interaction.doMove()⚓➭ @@ -2403,7 +2403,7 @@ Interaction.doMove() - Interaction.end([event])⚓➭ + Interaction.end([event])⚓➭ diff --git a/dist/interact.js b/dist/interact.js index e8ae35c3b..c78a3c751 100644 --- a/dist/interact.js +++ b/dist/interact.js @@ -1,5 +1,5 @@ /** - * interact.js v1.3.0-alpha.3+sha.9595c40 + * interact.js v1.3.0-alpha.4+sha.7970416-dirty * * Copyright (c) 2012-2017 Taye Adeyemi * Open source under the MIT License. @@ -816,6 +816,7 @@ var scope = require('./scope'); var utils = require('./utils'); var events = require('./utils/events'); var browser = require('./utils/browser'); +var domObjects = require('./utils/domObjects'); var finder = require('./utils/interactionFinder'); var signals = require('./utils/Signals').new(); @@ -829,7 +830,9 @@ var prevTouchTime = 0; scope.interactions = []; var Interaction = function () { - function Interaction() { + function Interaction(_ref) { + var pointerType = _ref.pointerType; + _classCallCheck(this, Interaction); this.target = null; // current interactable being interacted with @@ -886,7 +889,7 @@ var Interaction = function () { this.pointerWasMoved = false; this._interacting = false; - this.mouse = false; + this.pointerType = pointerType; signals.fire('new', this); @@ -1130,6 +1133,11 @@ var Interaction = function () { }; Interaction.prototype.getPointerIndex = function getPointerIndex(pointer) { + // mouse and pen interactions may have only one pointer + if (this.pointerType === 'mouse' || this.pointerType === 'pen') { + return 0; + } + return utils.indexOf(this.pointerIds, utils.getPointerId(pointer)); }; @@ -1161,8 +1169,7 @@ var Interaction = function () { }; Interaction.prototype.removePointer = function removePointer(pointer, event) { - var id = utils.getPointerId(pointer); - var index = this.mouse ? 0 : utils.indexOf(this.pointerIds, id); + var index = this.getPointerIndex(pointer); if (index === -1) { return; @@ -1197,6 +1204,8 @@ for (var i = 0, len = methodNames.length; i < len; i++) { function doOnInteractions(method) { return function (event) { + var pointerType = utils.getPointerType(event); + var _utils$getEventTarget = utils.getEventTargets(event), eventTarget = _utils$getEventTarget[0], curEventTarget = _utils$getEventTarget[1]; @@ -1210,7 +1219,7 @@ function doOnInteractions(method) { var pointer = event.changedTouches[_i]; var interaction = finder.search(pointer, event.type, eventTarget); - matches.push([pointer, interaction || new Interaction()]); + matches.push([pointer, interaction || new Interaction({ pointerType: pointerType })]); } } else { var invalidPointer = false; @@ -1218,7 +1227,7 @@ function doOnInteractions(method) { if (!browser.supportsPointerEvent && /mouse/.test(event.type)) { // ignore mouse events while touch interactions are active for (var _i2 = 0; _i2 < scope.interactions.length && !invalidPointer; _i2++) { - invalidPointer = !scope.interactions[_i2].mouse && scope.interactions[_i2].pointerIsDown; + invalidPointer = scope.interactions[_i2].pointerType !== 'mouse' && scope.interactions[_i2].pointerIsDown; } // try to ignore mouse events that are simulated by the browser @@ -1232,11 +1241,7 @@ function doOnInteractions(method) { var _interaction = finder.search(event, event.type, eventTarget); if (!_interaction) { - - _interaction = new Interaction(); - _interaction.mouse = /mouse/i.test(event.pointerType || event.type) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || event.pointerType === 4 || !event.pointerType; + _interaction = new Interaction({ pointerType: pointerType }); } matches.push([event, _interaction]); @@ -1244,20 +1249,20 @@ function doOnInteractions(method) { } for (var _iterator = matches, _isArray = Array.isArray(_iterator), _i3 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { - var _ref; + var _ref2; if (_isArray) { if (_i3 >= _iterator.length) break; - _ref = _iterator[_i3++]; + _ref2 = _iterator[_i3++]; } else { _i3 = _iterator.next(); if (_i3.done) break; - _ref = _i3.value; + _ref2 = _i3.value; } - var _ref2 = _ref, - _pointer = _ref2[0], - _interaction2 = _ref2[1]; + var _ref3 = _ref2, + _pointer = _ref3[0], + _interaction2 = _ref3[1]; _interaction2._updateEventTargets(eventTarget, curEventTarget); _interaction2[method](_pointer, event, eventTarget, curEventTarget); @@ -1277,7 +1282,7 @@ function endAll(event) { var docEvents = {/* 'eventType': listenerFunc */}; var pEventTypes = browser.pEventTypes; -if (scope.PointerEvent) { +if (domObjects.PointerEvent) { docEvents[pEventTypes.down] = listeners.pointerDown; docEvents[pEventTypes.move] = listeners.pointerMove; docEvents[pEventTypes.up] = listeners.pointerUp; @@ -1295,8 +1300,8 @@ if (scope.PointerEvent) { docEvents.blur = endAll; -function onDocSignal(_ref3, signalName) { - var doc = _ref3.doc; +function onDocSignal(_ref4, signalName) { + var doc = _ref4.doc; var eventMethod = signalName.indexOf('add') === 0 ? events.add : events.remove; @@ -1311,14 +1316,14 @@ function onDocSignal(_ref3, signalName) { } } -signals.on('update-pointer-down', function (_ref4) { - var interaction = _ref4.interaction, - pointer = _ref4.pointer, - pointerId = _ref4.pointerId, - pointerIndex = _ref4.pointerIndex, - event = _ref4.event, - eventTarget = _ref4.eventTarget, - down = _ref4.down; +signals.on('update-pointer-down', function (_ref5) { + var interaction = _ref5.interaction, + pointer = _ref5.pointer, + pointerId = _ref5.pointerId, + pointerIndex = _ref5.pointerIndex, + event = _ref5.event, + eventTarget = _ref5.eventTarget, + down = _ref5.down; interaction.pointerIds[pointerIndex] = pointerId; interaction.pointers[pointerIndex] = pointer; @@ -1355,7 +1360,7 @@ scope.endAllInteractions = endAll; module.exports = Interaction; -},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ +},{"./scope":34,"./utils":44,"./utils/Signals":35,"./utils/browser":37,"./utils/domObjects":38,"./utils/events":40,"./utils/interactionFinder":45}],6:[function(require,module,exports){ 'use strict'; var Interaction = require('../Interaction'); @@ -5460,7 +5465,7 @@ module.exports = function () { this.originalEvent = event; this.type = type; this.pointerId = pointerUtils.getPointerId(pointer); - this.pointerType = pointerUtils.getPointerType(pointer, interaction); + this.pointerType = pointerUtils.getPointerType(pointer); this.target = eventTarget; this.currentTarget = null; @@ -5758,8 +5763,10 @@ Interaction.signals.on('down', function (_ref6) { timer.duration = minDuration; timer.timeout = setTimeout(function () { fire({ - interaction: interaction, eventCopy: eventCopy, eventTarget: eventTarget, + interaction: interaction, + eventTarget: eventTarget, pointer: browser.isIE8 ? eventCopy : pointer, + event: eventCopy, type: 'hold' }); }, minDuration); @@ -6946,17 +6953,14 @@ module.exports = utils; var scope = require('../scope'); var utils = require('./index'); -var browser = require('./browser'); var finder = { - methodOrder: ['simulationResume', 'mouse', 'hasPointer', 'idle'], + methodOrder: ['simulationResume', 'mouseOrPen', 'hasPointer', 'idle'], search: function search(pointer, eventType, eventTarget) { - var mouseEvent = /mouse/i.test(pointer.pointerType || eventType) - // MSPointerEvent.MSPOINTER_TYPE_MOUSE - || pointer.pointerType === 4; + var pointerType = utils.getPointerType(pointer); var pointerId = utils.getPointerId(pointer); - var details = { pointer: pointer, pointerId: pointerId, mouseEvent: mouseEvent, eventType: eventType, eventTarget: eventTarget }; + var details = { pointer: pointer, pointerId: pointerId, pointerType: pointerType, eventType: eventType, eventTarget: eventTarget }; for (var _iterator = finder.methodOrder, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; @@ -6982,7 +6986,7 @@ var finder = { // try to resume simulation with a new pointer simulationResume: function simulationResume(_ref2) { - var mouseEvent = _ref2.mouseEvent, + var pointerType = _ref2.pointerType, eventType = _ref2.eventType, eventTarget = _ref2.eventTarget; @@ -7006,7 +7010,7 @@ var finder = { var element = eventTarget; - if (interaction.simulation && interaction.simulation.allowResume && interaction.mouse === mouseEvent) { + if (interaction.simulation && interaction.simulation.allowResume && interaction.pointerType === pointerType) { while (element) { // if the element is the interaction element if (element === interaction.element) { @@ -7020,13 +7024,13 @@ var finder = { return null; }, - // if it's a mouse interaction - mouse: function mouse(_ref4) { + // if it's a mouse or pen interaction + mouseOrPen: function mouseOrPen(_ref4) { var pointerId = _ref4.pointerId, - mouseEvent = _ref4.mouseEvent, + pointerType = _ref4.pointerType, eventType = _ref4.eventType; - if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) { + if (pointerType !== 'mouse' && pointerType !== 'pen') { return null; } @@ -7046,7 +7050,7 @@ var finder = { var interaction = _ref5; - if (interaction.mouse) { + if (interaction.pointerType === pointerType) { // if it's a down event, skip interactions with running simulations if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; @@ -7069,8 +7073,8 @@ var finder = { return firstNonActive; } - // Find any interaction specifically for mouse. - // ignore the interaction if the eventType is a mousedown, and a simulation + // find any mouse or pen interaction. + // ignore the interaction if the eventType is a *down, and a simulation // is active for (var _iterator4 = scope.interactions, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) { var _ref6; @@ -7086,7 +7090,7 @@ var finder = { var _interaction = _ref6; - if (_interaction.mouse && !(/down/.test(eventType) && _interaction.simulation)) { + if (_interaction.pointerType === pointerType && !(/down/i.test(eventType) && _interaction.simulation)) { return _interaction; } } @@ -7118,9 +7122,9 @@ var finder = { } }, - // get first idle interaction + // get first idle interaction with a matching pointerType idle: function idle(_ref9) { - var mouseEvent = _ref9.mouseEvent; + var pointerType = _ref9.pointerType; for (var _iterator6 = scope.interactions, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) { var _ref10; @@ -7150,7 +7154,7 @@ var finder = { continue; } - if (!interaction.interacting() && mouseEvent === interaction.mouse) { + if (!interaction.interacting() && pointerType === interaction.pointerType) { return interaction; } } @@ -7161,7 +7165,7 @@ var finder = { module.exports = finder; -},{"../scope":34,"./browser":37,"./index":44}],46:[function(require,module,exports){ +},{"../scope":34,"./index":44}],46:[function(require,module,exports){ 'use strict'; var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; @@ -7262,6 +7266,7 @@ var hypot = require('./hypot'); var browser = require('./browser'); var dom = require('./domObjects'); var domUtils = require('./domUtils'); +var domObjects = require('./domObjects'); var is = require('./is'); var pointerExtend = require('./pointerExtend'); @@ -7468,17 +7473,11 @@ var pointerUtils = { return angle; }, - getPointerType: function getPointerType(pointer, interaction) { - // if the PointerEvent API isn't available, then the pointer must be ither - // a MouseEvent or TouchEvent - if (interaction.mouse) { - return 'mouse'; - } - if (!browser.supportsPointerEvent) { - return 'touch'; - } - - return is.string(pointer.pointerType) ? pointer.pointerType : [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType]; + getPointerType: function getPointerType(pointer) { + return is.string(pointer.pointerType) ? pointer.pointerType : is.number(pointer.pointerType) ? [undefined, undefined, 'touch', 'pen', 'mouse'][pointer.pointerType] + // if the PointerEvent API isn't available, then the "pointer" must + // be either a MouseEvent, TouchEvent, or Touch object + : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch ? 'touch' : 'mouse'; }, // [ event.target, event.currentTarget ] diff --git a/dist/interact.js.map b/dist/interact.js.map index 60832b766..4f3a62ba8 100644 --- a/dist/interact.js.map +++ b/dist/interact.js.map @@ -1 +1 @@ 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* interact.js v1.3.0-alpha.3+sha.9595c40\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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* interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/dist/interact.min.js b/dist/interact.min.js index c0bb2476c..2d1f0fb62 100644 --- a/dist/interact.min.js +++ b/dist/interact.min.js @@ -1,6 +1,6 @@ -/* interact.js v1.3.0-alpha.3+sha.9595c40 | https://raw.github.com/taye/interact.js/master/LICENSE */ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.interact=e()}}(function(){return function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(o)return o(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var p=n[s]={exports:{}};t[s][0].call(p.exports,function(e){var n=t[s][1][e];return i(n||e)},p,p.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=y.length)break;w=y[b++]}else{if(b=y.next(),b.done)break;w=b.value}var E=w,S=E[0],T=E[1];T._updateEventTargets(r,i),T[e](S,t,r,i)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),d.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),d.fire("before-action-move",e),this._dontFireMove||d.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);d.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&d.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){d.fire("stop",{interaction:this}),this._interacting&&(d.fire("stop-active",{interaction:this}),d.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&d.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=l.getPointerId(e),r=this.mouse?0:l.indexOf(this.pointerIds,n);-1!==r&&(d.fire("remove-pointer",{pointer:e,event:t,pointerIndex:r,interaction:this}),this.pointers.splice(r,1),this.pointerIds.splice(r,1),this.downTargets.splice(r,1),this.downTimes.splice(r,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),m=0,y=v.length;m=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e,e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){ -e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new Date).getTime(),c.i=r.request(c.scroll)},stop:function(){c.isScrolling=!1,r.cancel(c.i)},scroll:function(){var e=c.interaction.target.options[c.interaction.prepared.name].autoScroll,t=e.container||i(c.interaction.element),n=(new Date).getTime(),s=(n-c.prevTime)/1e3,a=e.speed*s;a>=1&&(o.window(t)?t.scrollBy(c.x*a,c.y*a):t&&(t.scrollLeft+=c.x*a,t.scrollTop+=c.y*a),c.prevTime=n),c.isScrolling&&(r.cancel(c.i),c.i=r.request(c.scroll))},check:function(e,t){var n=e.options;return n[t].autoScroll&&n[t].autoScroll.enabled},onInteractionMove:function(e){var t=e.interaction,n=e.pointer;if(t.interacting()&&c.check(t.target,t.prepared.name)){if(t.simulation)return void(c.x=c.y=0);var r=void 0,a=void 0,l=void 0,p=void 0,u=t.target.options[t.prepared.name].autoScroll,d=u.container||i(t.element);if(o.window(d))p=n.clientXd.innerWidth-c.margin,l=n.clientY>d.innerHeight-c.margin;else{var f=s.getElementClientRect(d);p=n.clientXf.right-c.margin,l=n.clientY>f.bottom-c.margin}c.x=a?1:p?-1:0,c.y=l?1:r?-1:0,c.isScrolling||(c.margin=u.margin,c.speed=u.speed,c.start(t))}}};a.signals.on("stop-active",function(){c.stop()}),a.signals.on("action-move",c.onInteractionMove),l.perAction.autoScroll=c.defaults,t.exports=c},{"./Interaction":5,"./defaultOptions":18,"./utils/domUtils":39,"./utils/is":46,"./utils/raf":50,"./utils/window":52}],12:[function(e,t,n){"use strict";var r=e("../Interactable"),i=e("../actions/base"),o=e("../utils/is"),s=e("../utils/domUtils");r.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},r.prototype.ignoreFrom=function(e){return this._backCompatOption("ignoreFrom",e)},r.prototype.allowFrom=function(e){return this._backCompatOption("allowFrom",e)},r.prototype.testIgnore=function(e,t,n){return!(!e||!o.element(n))&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testAllow=function(e,t,n){return!e||!!o.element(n)&&(o.string(e)?s.matchesUpTo(n,e,t):!!o.element(e)&&s.nodeContains(e,n))},r.prototype.testIgnoreAllow=function(e,t,n){return!this.testIgnore(e.ignoreFrom,t,n)&&this.testAllow(e.allowFrom,t,n)},r.prototype.actionChecker=function(e){return o.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},r.prototype.styleCursor=function(e){return o.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},r.prototype.defaultActionChecker=function(e,t,n,r){for(var o=this.getRect(r),s=null,a=i.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use strict";function r(e,t,n){return e&&e.enabled&&(t||!e.endOnly)&&(!n||e.endOnly)}var i=e("../InteractEvent"),o=e("../Interaction"),s=e("../utils/extend"),a={names:[],setOffsets:function(e){var t=e.interaction,n=e.pageCoords,r=t.target,i=t.element,o=t.startOffset,s=r.getRect(i);s?(o.left=n.x-s.left,o.top=n.y-s.top,o.right=s.right-n.x,o.bottom=s.bottom-n.y,"width"in s||(s.width=s.right-s.left),"height"in s||(s.height=s.bottom-s.top)):o.left=o.top=o.right=o.bottom=0,e.rect=s,e.interactable=r,e.element=i;for(var l=0;l=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=a[v],h=t.target.options[t.prepared.name][v];r(h,i,o)&&(e.status=e.status=n[v],e.options=h,e.offset=e.interaction.modifierOffsets[v],g.set(e),e.status.locked&&(l.x+=e.status.dx,l.y+=e.status.dy,c.dx+=e.status.dx,c.dy+=e.status.dy,c.locked=!0))}return c.shouldMove=!e.status||!c.locked||e.status.changed,c},resetStatuses:function(e){for(var t=a.names,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var 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t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width,g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t), -e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n,a),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return 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o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=s[d](a);if(f)return f}},simulationResume:function(e){var t=e.mouseEvent,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.mouse===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouse:function(e){var t=e.pointerId,n=e.mouseEvent,s=e.eventType;if(!n&&(o.supportsTouch||o.supportsPointerEvent))return null;for(var a=void 0,l=r.interactions,c=Array.isArray(l),p=0,l=c?l:l[Symbol.iterator]();;){var u;if(c){if(p>=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u;if(d.mouse){if(d.simulation&&!i.contains(d.pointerIds,t))continue;if(d.interacting())return d;a||(a=d)}}if(a)return a;for(var f=r.interactions,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h;if(m.mouse&&(!/down/.test(s)||!m.simulation))return m}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.mouseEvent,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.mouse)return a}return null}};t.exports=s},{"../scope":34,"./browser":37,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof 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r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./is"),l=e("./pointerExtend"),c={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?(c.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):c.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&c.isNativePointer(e)?c.getXY("screen",e,t):c.getXY("client",e,t),t},getPointerId:function(e){return a.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?c.pointerAverage(t):t[0],i={};c.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,c.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=a.number(n)?n:(new Date).getTime()},pointerExtend:l,getTouchPair:function(e){var t=[];return a.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=c.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=c.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=c.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e,t){return t.mouse?"mouse":i.supportsPointerEvent?a.string(e.pointerType)?e.pointerType:[void 0,void 0,"touch","pen","mouse"][e.pointerType]:"touch"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=c},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c6&&void 0!==arguments[6]&&arguments[6];r(this,e);var f=t.target,v=(f&&f.options||s).deltaSource,g=o(f,p,l),h="start"===c,m="end"===c,y=h?t.startCoords:t.curCoords,x=t.prevEvent;p=p||t.element;var b=i({},y.page),w=i({},y.client);b.x-=g.x,b.y-=g.y,w.x-=g.x,w.y-=g.y,this.ctrlKey=n.ctrlKey,this.altKey=n.altKey,this.shiftKey=n.shiftKey,this.metaKey=n.metaKey,this.button=n.button,this.buttons=n.buttons,this.target=p,this.currentTarget=p,this.relatedTarget=u||null,this.preEnd=d,this.type=l+(c||""),this.interaction=t,this.interactable=f,this.t0=h?t.downTimes[t.downTimes.length-1]:x.t0;var E={interaction:t,event:n,action:l,phase:c,element:p,related:u,page:b,client:w,coords:y,starting:h,ending:m,deltaSource:v,iEvent:this};a.fire("set-xy",E),m?(this.pageX=x.pageX,this.pageY=x.pageY,this.clientX=x.clientX,this.clientY=x.clientY):(this.pageX=b.x,this.pageY=b.y,this.clientX=w.x,this.clientY=w.y),this.x0=t.startCoords.page.x-g.x,this.y0=t.startCoords.page.y-g.y,this.clientX0=t.startCoords.client.x-g.x,this.clientY0=t.startCoords.client.y-g.y,a.fire("set-delta",E),this.timeStamp=y.timeStamp,this.dt=t.pointerDelta.timeStamp,this.duration=this.timeStamp-this.t0,this.speed=t.pointerDelta[v].speed,this.velocityX=t.pointerDelta[v].vx,this.velocityY=t.pointerDelta[v].vy,this.swipe=m||"inertiastart"===c?this.getSwipe():null,a.fire("new",E)}return e.prototype.getSwipe=function(){var e=this.interaction;if(e.prevEvent.speed<600||this.timeStamp-e.prevEvent.timeStamp>150)return null;var t=180*Math.atan2(e.prevEvent.velocityY,e.prevEvent.velocityX)/Math.PI;t<0&&(t+=360);var n=112.5<=t&&t<247.5,r=202.5<=t&&t<337.5,i=!n&&(292.5<=t||t<67.5);return{up:r,down:!r&&22.5<=t&&t<157.5,left:n,right:i,angle:t,speed:e.prevEvent.speed,velocity:{x:e.prevEvent.velocityX,y:e.prevEvent.velocityY}}},e.prototype.preventDefault=function(){},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e}();a.on("set-delta",function(e){var t=e.iEvent,n=e.interaction,r=e.starting,i=e.deltaSource,o=r?t:n.prevEvent;"client"===i?(t.dx=t.clientX-o.clientX,t.dy=t.clientY-o.clientY):(t.dx=t.pageX-o.pageX,t.dy=t.pageY-o.pageY)}),l.signals=a,t.exports=l},{"./defaultOptions":18,"./utils/Signals":35,"./utils/extend":41,"./utils/getOriginXY":42}],4:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("./utils/is"),o=e("./utils/events"),s=e("./utils/extend"),a=e("./actions/base"),l=e("./scope"),c=e("./Eventable"),p=e("./defaultOptions"),u=e("./utils/Signals").new(),d=e("./utils/domUtils"),f=d.getElementRect,v=d.nodeContains,g=d.trySelector,h=e("./utils/window"),m=h.getWindow,y=e("./utils/arr"),x=y.indexOf,b=y.contains,w=e("./utils/browser"),E=w.wheelEvent;l.interactables=[];var S=function(){function e(t,n){r(this,e),n=n||{},this.target=t,this.events=new c,this._context=n.context||l.document,this._win=m(g(t)?this._context:t),this._doc=this._win.document,u.fire("new",{target:t,options:n,interactable:this,win:this._win}),l.addDocument(this._doc,this._win),l.interactables.push(this),this.set(n)}return e.prototype.setOnEvents=function(e,t){var n="on"+e;return i.function(t.onstart)&&(this.events[n+"start"]=t.onstart),i.function(t.onmove)&&(this.events[n+"move"]=t.onmove),i.function(t.onend)&&(this.events[n+"end"]=t.onend),i.function(t.oninertiastart)&&(this.events[n+"inertiastart"]=t.oninertiastart),this},e.prototype.setPerAction=function(e,t){for(var n in t)n in p[e]&&(i.object(t[n])?(this.options[e][n]=s(this.options[e][n]||{},t[n]),i.object(p.perAction[n])&&"enabled"in p.perAction[n]&&(this.options[e][n].enabled=!1!==t[n].enabled)):i.bool(t[n])&&i.object(p.perAction[n])?this.options[e][n].enabled=t[n]:void 0!==t[n]&&(this.options[e][n]=t[n]))},e.prototype.getRect=function(e){return e=e||this.target,i.string(this.target)&&!i.element(e)&&(e=this._context.querySelector(this.target)),f(e)},e.prototype.rectChecker=function(e){return i.function(e)?(this.getRect=e,this):null===e?(delete this.options.getRect,this):this.getRect},e.prototype._backCompatOption=function(e,t){if(g(t)||i.object(t)){this.options[e]=t;for(var n=a.names,r=Array.isArray(n),o=0,n=r?n:n[Symbol.iterator]();;){var s;if(r){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var l=s;this.options[l][e]=t}return this}return this.options[e]},e.prototype.origin=function(e){return this._backCompatOption("origin",e)},e.prototype.deltaSource=function(e){return"page"===e||"client"===e?(this.options.deltaSource=e,this):this.options.deltaSource},e.prototype.context=function(){return this._context},e.prototype.inContext=function(e){return this._context===e.ownerDocument||v(this._context,e)},e.prototype.fire=function(e){return this.events.fire(e),this},e.prototype._onOffMultiple=function(e,t,n,r){if(i.string(t)&&-1!==t.search(" ")&&(t=t.trim().split(/ +/)),i.array(t)){for(var o=0;o=l.length)break;f=l[d++]}else{if(d=l.next(),d.done)break;f=d.value}var v=f;this.options[v]=p.base[v],v in t&&this[v](t[v])}return u.fire("set",{options:t,interactable:this}),this},e.prototype.unset=function(){if(o.remove(this.target,"all"),i.string(this.target))for(var e in o.delegatedEvents){var t=o.delegatedEvents[e];t.selectors[0]===this.target&&t.contexts[0]===this._context&&(t.selectors.splice(0,1),t.contexts.splice(0,1),t.listeners.splice(0,1),t.selectors.length||(t[e]=null)),o.remove(this._context,e,o.delegateListener),o.remove(this._context,e,o.delegateUseCapture,!0)}else o.remove(this,"all");u.fire("unset",{interactable:this}),l.interactables.splice(x(l.interactables,this),1);for(var n=l.interactions||[],r=Array.isArray(n),s=0,n=r?n:n[Symbol.iterator]();;){var a;if(r){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var c=a;c.target===this&&c.interacting()&&c.stop()}return l.interact},e}();l.interactables.indexOfElement=function(e,t){t=t||l.document;for(var n=0;n=x.length)break;E=x[w++]}else{if(w=x.next(),w.done)break;E=w.value}var S=E,T=S[0],C=S[1];C._updateEventTargets(i,o),C[e](T,t,i,o)}}}function o(e){for(var t=0;te.pointerMoveTolerance);var a={pointer:t,pointerIndex:this.getPointerIndex(t),event:n,eventTarget:r,dx:o,dy:s,duplicate:i,interaction:this,interactingBeforeMove:this.interacting()};i||l.setCoordDeltas(this.pointerDelta,this.prevCoords,this.curCoords),f.fire("move",a),i||(this.interacting()&&this.doMove(a),this.pointerWasMoved&&l.copyCoords(this.prevCoords,this.curCoords))},e.prototype.doMove=function(e){e=l.extend({pointer:this.pointers[0],event:this.prevEvent,eventTarget:this._eventTarget,interaction:this},e||{}),f.fire("before-action-move",e),this._dontFireMove||f.fire("action-move",e),this._dontFireMove=!1},e.prototype.pointerUp=function(e,t,n,r){var i=this.getPointerIndex(e);f.fire(/cancel$/i.test(t.type)?"cancel":"up",{pointer:e,pointerIndex:i,event:t,eventTarget:n,curEventTarget:r,interaction:this}),this.simulation||this.end(t),this.pointerIsDown=!1,this.removePointer(e,t)},e.prototype.end=function(e){e=e||this.prevEvent,this.interacting()&&f.fire("action-end",{event:e,interaction:this}),this.stop()},e.prototype.currentAction=function(){return this._interacting?this.prepared.name:null},e.prototype.interacting=function(){return this._interacting},e.prototype.stop=function(){f.fire("stop",{interaction:this}),this._interacting&&(f.fire("stop-active",{interaction:this}),f.fire("stop-"+this.prepared.name,{interaction:this})),this.target=this.element=null,this._interacting=!1,this.prepared.name=this.prevEvent=null},e.prototype.getPointerIndex=function(e){return"mouse"===this.pointerType||"pen"===this.pointerType?0:l.indexOf(this.pointerIds,l.getPointerId(e))},e.prototype.updatePointer=function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t&&/(down|start)$/i.test(t.type),r=l.getPointerId(e),i=this.getPointerIndex(e);return-1===i&&(i=this.pointerIds.length,this.pointerIds[i]=r),n&&f.fire("update-pointer-down",{pointer:e,event:t,down:n,pointerId:r,pointerIndex:i,interaction:this}),this.pointers[i]=e,i},e.prototype.removePointer=function(e,t){var n=this.getPointerIndex(e);-1!==n&&(f.fire("remove-pointer",{pointer:e,event:t,pointerIndex:n,interaction:this}),this.pointers.splice(n,1),this.pointerIds.splice(n,1),this.downTargets.splice(n,1),this.downTimes.splice(n,1))},e.prototype._updateEventTargets=function(e,t){this._eventTarget=e,this._curEventTarget=t},e}(),y=0,x=g.length;y=i.length)break;a=i[s++]}else{if(s=i.next(),s.done)break;a=s.value}var l=a;if(l.options.drop.enabled){var c=l.options.drop.accept;if(!(p.is.element(c)&&c!==t||p.is.string(c)&&!p.matchesSelector(t,c)))for(var d=p.is.string(l.target)?l._context.querySelectorAll(l.target):[l.target],f=0;fo.left&&c.xo.top&&c.y=o.left&&v<=o.right&&g>=o.top&&g<=o.bottom}if(f&&p.is.number(a)){s=Math.max(0,Math.min(o.right,f.right)-Math.max(o.left,f.left))*Math.max(0,Math.min(o.bottom,f.bottom)-Math.max(o.top,f.top))/(f.width*f.height)>=a}return this.options.drop.checker&&(s=this.options.drop.checker(e,t,s,this,i,n,r)),s},v.signals.on("unset",function(e){e.interactable.dropzone(!1)}),v.settingsMethods.push("dropChecker"),g.signals.on("new",function(e){e.dropTarget=null,e.dropElement=null,e.prevDropTarget=null,e.prevDropElement=null,e.dropEvents=null,e.activeDrops={dropzones:[],elements:[],rects:[]}}),g.signals.on("stop",function(e){var t=e.interaction;t.dropTarget=t.dropElement=t.prevDropTarget=t.prevDropElement=null}),d.dynamicDrop=function(e){return p.is.bool(e)?(y=e,d):y},p.merge(v.eventTypes,["dragenter","dragleave","dropactivate","dropdeactivate","dropmove","drop"]),c.methodDict.drop="dropzone",h.drop=m.defaults,t.exports=m},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"./base":6}],9:[function(e,t,n){"use strict";var r=e("./base"),i=e("../utils"),o=e("../InteractEvent"),s=e("../Interactable"),a=e("../Interaction"),l=e("../defaultOptions"),c={defaults:{enabled:!1,origin:null,restrict:null},checker:function(e,t,n,r,i){return i.pointerIds.length>=2?{name:"gesture"}:null},getCursor:function(){return""}};o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturestart"===t.type&&(t.ds=0,n.gesture.startDistance=n.gesture.prevDistance=t.distance,n.gesture.startAngle=n.gesture.prevAngle=t.angle,n.gesture.scale=1)}),o.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;"gesturemove"===t.type&&(t.ds=t.scale-n.gesture.scale,n.target.fire(t),n.gesture.prevAngle=t.angle,n.gesture.prevDistance=t.distance,t.scale===1/0||null===t.scale||void 0===t.scale||isNaN(t.scale)||(n.gesture.scale=t.scale))}),s.prototype.gesturable=function(e){return i.is.object(e)?(this.options.gesture.enabled=!1!==e.enabled,this.setPerAction("gesture",e),this.setOnEvents("gesture",e),this):i.is.bool(e)?(this.options.gesture.enabled=e,e||(this.ongesturestart=this.ongesturestart=this.ongestureend=null),this):this.options.gesture},o.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent,r=e.action,s=e.event,a=e.starting,l=e.ending,c=e.deltaSource;if("gesture"===r){var p=t.pointers;n.touches=[p[0],p[1]],a?(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=1,n.ds=0,n.angle=i.touchAngle(p,void 0,c),n.da=0):l||s instanceof o?(n.distance=t.prevEvent.distance,n.box=t.prevEvent.box,n.scale=t.prevEvent.scale,n.ds=n.scale-1,n.angle=t.prevEvent.angle,n.da=n.angle-t.gesture.startAngle):(n.distance=i.touchDistance(p,c),n.box=i.touchBBox(p),n.scale=n.distance/t.gesture.startDistance,n.angle=i.touchAngle(p,t.gesture.prevAngle,c),n.ds=n.scale-t.gesture.prevScale,n.da=n.angle-t.gesture.prevAngle)}}),a.signals.on("new",function(e){e.gesture={start:{x:0,y:0},startDistance:0,prevDistance:0,distance:0,scale:1,startAngle:0,prevAngle:0}}),r.gesture=c,r.names.push("gesture"),i.merge(s.eventTypes,["gesturestart","gesturemove","gestureend"]),r.methodDict.gesture="gesturable",l.gesture=c.defaults,t.exports=c},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"./base":6}],10:[function(e,t,n){"use strict";function r(e,t,n,r,i,s,a){if(!t)return!1;if(!0===t){var l=o.is.number(s.width)?s.width:s.right-s.left,c=o.is.number(s.height)?s.height:s.bottom-s.top;if(l<0&&("left"===e?e="right":"right"===e&&(e="left")),c<0&&("top"===e?e="bottom":"bottom"===e&&(e="top")),"left"===e)return n.x<(l>=0?s.left:s.right)+a;if("top"===e)return n.y<(c>=0?s.top:s.bottom)+a;if("right"===e)return n.x>(l>=0?s.right:s.left)-a;if("bottom"===e)return n.y>(c>=0?s.bottom:s.top)-a}return!!o.is.element(r)&&(o.is.element(t)?t===r:o.matchesUpTo(r,t,i))}var i=e("./base"),o=e("../utils"),s=e("../utils/browser"),a=e("../InteractEvent"),l=e("../Interactable"),c=e("../Interaction"),p=e("../defaultOptions"),u=s.supportsTouch||s.supportsPointerEvent?20:10,d={defaults:{enabled:!1,mouseButtons:null,origin:null,snap:null,restrict:null,inertia:null,autoScroll:null,square:!1,preserveAspectRatio:!1,axis:"xy",margin:NaN,edges:null,invert:"none"},checker:function(e,t,n,i,s,a){if(!a)return null;var l=o.extend({},s.curCoords.page),c=n.options;if(c.resize.enabled){var p=c.resize,d={left:!1,right:!1,top:!1,bottom:!1};if(o.is.object(p.edges)){for(var f in d)d[f]=r(f,p.edges[f],l,s._eventTarget,i,a,p.margin||u);if(d.left=d.left&&!d.right,d.top=d.top&&!d.bottom,d.left||d.right||d.top||d.bottom)return{name:"resize",edges:d}}else{var v="y"!==c.resize.axis&&l.x>a.right-u,g="x"!==c.resize.axis&&l.y>a.bottom-u;if(v||g)return{name:"resize",axes:(v?"x":"")+(g?"y":"")}}}return null},cursors:s.isIe9OrOlder?{x:"e-resize",y:"s-resize",xy:"se-resize",top:"n-resize",left:"w-resize",bottom:"s-resize",right:"e-resize",topleft:"se-resize",bottomright:"se-resize",topright:"ne-resize",bottomleft:"ne-resize"}:{x:"ew-resize",y:"ns-resize",xy:"nwse-resize",top:"ns-resize",left:"ew-resize",bottom:"ns-resize",right:"ew-resize",topleft:"nwse-resize",bottomright:"nwse-resize",topright:"nesw-resize",bottomleft:"nesw-resize"},getCursor:function(e){if(e.axis)return d.cursors[e.name+e.axis];if(e.edges){for(var t="",n=["top","bottom","left","right"],r=0;r<4;r++)e.edges[n[r]]&&(t+=n[r]);return d.cursors[t]}}};a.signals.on("new",function(e){var t=e.iEvent,n=e.interaction;if("resizestart"===t.type&&n.prepared.edges){var r=n.target.getRect(n.element),i=n.target.options.resize;if(i.square||i.preserveAspectRatio){var s=o.extend({},n.prepared.edges);s.top=s.top||s.left&&!s.bottom,s.left=s.left||s.top&&!s.right,s.bottom=s.bottom||s.right&&!s.top,s.right=s.right||s.bottom&&!s.left,n.prepared._linkedEdges=s}else n.prepared._linkedEdges=null;i.preserveAspectRatio&&(n.resizeStartAspectRatio=r.width/r.height),n.resizeRects={start:r,current:o.extend({},r),inverted:o.extend({},r),previous:o.extend({},r),delta:{left:0,right:0,width:0,top:0,bottom:0,height:0}},t.rect=n.resizeRects.inverted,t.deltaRect=n.resizeRects.delta}}),a.signals.on("new",function(e){var t=e.iEvent,n=e.phase,r=e.interaction;if("move"===n&&r.prepared.edges){var i=r.target.options.resize,s=i.invert,a="reposition"===s||"negate"===s,l=r.prepared.edges,c=r.resizeRects.start,p=r.resizeRects.current,u=r.resizeRects.inverted,d=r.resizeRects.delta,f=o.extend(r.resizeRects.previous,u),v=l,g=t.dx,h=t.dy;if(i.preserveAspectRatio||i.square){var m=i.preserveAspectRatio?r.resizeStartAspectRatio:1;l=r.prepared._linkedEdges,v.left&&v.bottom||v.right&&v.top?h=-g/m:v.left||v.right?h=g/m:(v.top||v.bottom)&&(g=h*m)}if(l.top&&(p.top+=h),l.bottom&&(p.bottom+=h),l.left&&(p.left+=g),l.right&&(p.right+=g),a){if(o.extend(u,p),"reposition"===s){var y=void 0;u.top>u.bottom&&(y=u.top,u.top=u.bottom,u.bottom=y),u.left>u.right&&(y=u.left,u.left=u.right,u.right=y)}}else u.top=Math.min(p.top,c.bottom),u.bottom=Math.max(p.bottom,c.top),u.left=Math.min(p.left,c.right),u.right=Math.max(p.right,c.left);u.width=u.right-u.left,u.height=u.bottom-u.top;for(var x in u)d[x]=u[x]-f[x];t.edges=r.prepared.edges,t.rect=u,t.deltaRect=d}}),l.prototype.resizable=function(e){return o.is.object(e)?(this.options.resize.enabled=!1!==e.enabled,this.setPerAction("resize",e),this.setOnEvents("resize",e),/^x$|^y$|^xy$/.test(e.axis)?this.options.resize.axis=e.axis:null===e.axis&&(this.options.resize.axis=p.resize.axis),o.is.bool(e.preserveAspectRatio)?this.options.resize.preserveAspectRatio=e.preserveAspectRatio:o.is.bool(e.square)&&(this.options.resize.square=e.square),this):o.is.bool(e)?(this.options.resize.enabled=e, +e||(this.onresizestart=this.onresizestart=this.onresizeend=null),this):this.options.resize},c.signals.on("new",function(e){e.resizeAxes="xy"}),a.signals.on("set-delta",function(e){var t=e.interaction,n=e.iEvent;"resize"===e.action&&t.resizeAxes&&(t.target.options.resize.square?("y"===t.resizeAxes?n.dx=n.dy:n.dy=n.dx,n.axes="xy"):(n.axes=t.resizeAxes,"x"===t.resizeAxes?n.dy=0:"y"===t.resizeAxes&&(n.dx=0)))}),i.resize=d,i.names.push("resize"),o.merge(l.eventTypes,["resizestart","resizemove","resizeinertiastart","resizeinertiaresume","resizeend"]),i.methodDict.resize="resizable",p.resize=d.defaults,t.exports=d},{"../InteractEvent":3,"../Interactable":4,"../Interaction":5,"../defaultOptions":18,"../utils":44,"../utils/browser":37,"./base":6}],11:[function(e,t,n){"use strict";var r=e("./utils/raf"),i=e("./utils/window").getWindow,o=e("./utils/is"),s=e("./utils/domUtils"),a=e("./Interaction"),l=e("./defaultOptions"),c={defaults:{enabled:!1,container:null,margin:60,speed:300},interaction:null,i:null,x:0,y:0,isScrolling:!1,prevTime:0,start:function(e){c.isScrolling=!0,r.cancel(c.i),c.interaction=e,c.prevTime=(new 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p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if((!n.pointerIsDown||!n.mouse||0!=(t.buttons&this.options[u].mouseButtons))&&(s=i[u].checker(e,t,this,r,n,o)))return s}}},{"../Interactable":4,"../actions/base":6,"../utils/domUtils":39,"../utils/is":46}],13:[function(e,t,n){"use strict";function r(e,t,n,r){return g.is.object(e)&&t.testIgnoreAllow(t.options[e.name],n,r)&&t.options[e.name].enabled&&a(t,n,e)?e:null}function i(e,t,n,i,o,s){for(var a=0,l=i.length;a=m.maxInteractions)return!1;if(u.target===e){if((a+=d===n.name|0)>=i)return!1;if(u.element===t&&(l++,d!==n.name||l>=o))return!1}}}return m.maxInteractions>0}}var l=e("../interact"),c=e("../Interactable"),p=e("../Interaction"),u=e("../actions/base"),d=e("../defaultOptions"),f=e("../utils/browser"),v=e("../scope"),g=e("../utils"),h=e("../utils/Signals").new();e("./InteractableMethods");var m={signals:h,withinInteractionLimit:a,maxInteractions:1/0,defaults:{perAction:{manualStart:!1,max:1/0,maxPerElement:1,allowFrom:null,ignoreFrom:null}},setActionDefaults:function(e){g.extend(e.defaults,m.defaults.perAction)}};p.signals.on("down",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.pointer,r=e.event,i=e.eventTarget;if(t.mouse&&!t.pointerIsDown&&!t.interacting()){s(t,o(t,n,r,i))}}),p.signals.on("move",function(e){var t=e.interaction,n=e.event;if(t.pointerIsDown&&!t.interacting()&&t.pointerWasMoved&&t.prepared.name){h.fire("before-start",e);var r=t.target;t.prepared.name&&r&&(r.options[t.prepared.name].manualStart||!a(r,t.element,t.prepared)?t.stop(n):t.start(t.prepared,r,t.element))}}),p.signals.on("stop",function(e){var t=e.interaction,n=t.target;n&&n.options.styleCursor&&(n._doc.documentElement.style.cursor="")}),c.prototype.getAction=function(e,t,n,r){var i=this.defaultActionChecker(e,t,n,r);return this.options.actionChecker?this.options.actionChecker(e,t,i,this,r,n):i},c.prototype.actionChecker=function(e){return g.is.function(e)?(this.options.actionChecker=e,this):null===e?(delete this.options.actionChecker,this):this.options.actionChecker},c.prototype.styleCursor=function(e){return g.is.bool(e)?(this.options.styleCursor=e,this):null===e?(delete this.options.styleCursor,this):this.options.styleCursor},c.prototype.defaultActionChecker=function(e,t,n,r){for(var i=this.getRect(r),o=t.buttons||{0:1,1:4,3:8,4:16}[t.button],s=null,a=u.names,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var d=p;if((!n.pointerIsDown||!n.mouse||0!=(o&this.options[d].mouseButtons))&&(s=u[d].checker(e,t,this,r,n,i)))return s}},l.maxInteractions=function(e){return g.is.number(e)?(m.maxInteractions=e,this):m.maxInteractions},c.settingsMethods.push("styleCursor"),c.settingsMethods.push("actionChecker"),c.settingsMethods.push("ignoreFrom"),c.settingsMethods.push("allowFrom"),d.base.actionChecker=null,d.base.styleCursor=!0,g.extend(d.perAction,m.defaults.perAction),t.exports=m},{"../Interactable":4,"../Interaction":5,"../actions/base":6,"../defaultOptions":18,"../interact":21,"../scope":34,"../utils":44,"../utils/Signals":35,"../utils/browser":37,"./InteractableMethods":12}],14:[function(e,t,n){"use strict";var r=e("./base"),i=e("../Interaction");i.signals.on("new",function(e){e.delayTimer=null}),r.signals.on("prepared",function(e){var t=e.interaction,n=t.prepared.name;if(n){var r=t.target.options[n].delay;r>0&&(t.delayTimer=setTimeout(function(){t.start(t.prepared,t.target,t.element)},r))}}),i.signals.on("move",function(e){var t=e.interaction,n=e.duplicate;t.pointerWasMoved&&!n&&clearTimeout(t.delayTimer)}),r.signals.on("before-start",function(e){var t=e.interaction,n=t.prepared.name;if(n){t.target.options[n].delay>0&&(t.prepared.name=null)}})},{"../Interaction":5,"./base":13}],15:[function(e,t,n){"use strict";function r(e,t){if(!t)return!1;var n=t.options.drag.startAxis;return"xy"===e||"xy"===n||n===e}var i=e("./base"),o=e("../scope"),s=e("../utils/browser"),a=e("../utils/is"),l=e("../utils/domUtils"),c=l.matchesSelector,p=l.parentNode;i.setActionDefaults(e("../actions/drag")),i.signals.on("before-start",function(e){var t=e.interaction,n=e.eventTarget,l=e.dx,u=e.dy;if("drag"===t.prepared.name){var d=Math.abs(l),f=Math.abs(u),v=t.target.options.drag,g=v.startAxis,h=d>f?"x":dl.minSpeed&&g>l.endSpeed,b={interaction:t,pageCoords:v,statuses:f,preEnd:!0,requireEndOnly:!0};y&&!x&&(c.resetStatuses(f),m=c.setAll(b),m.shouldMove&&m.locked&&(h=!0)),(x||h)&&(p.copyCoords(i.upCoords,t.curCoords),t.pointers[0]=i.startEvent=new a(t,n,t.prepared.name,"inertiastart",t.element),i.t0=d,i.active=!0,i.allowResume=l.allowResume,t.simulation=i,o.fire(i.startEvent),x?(i.vx0=t.pointerDelta.client.vx,i.vy0=t.pointerDelta.client.vy,i.v0=g,r(t,i),p.extend(v,t.curCoords.page),v.x+=i.xe,v.y+=i.ye,c.resetStatuses(f),m=c.setAll(b),i.modifiedXe+=m.dx,i.modifiedYe+=m.dy,i.i=u.request(t.boundInertiaFrame)):(i.smoothEnd=!0,i.xe=m.dx,i.ye=m.dy,i.sx=i.sy=0,i.i=u.request(t.boundSmoothEndFrame)))}}),l.signals.on("stop-active",function(e){var t=e.interaction,n=t.inertiaStatus;n.active&&(u.cancel(n.i),n.active=!1,t.simulation=null)})},{"./InteractEvent":3,"./Interaction":5,"./modifiers":24,"./utils":44,"./utils/raf":50}],21:[function(e,t,n){"use strict";function r(e,t){var n=a.interactables.get(e,t);return n||(n=new l(e,t),n.events.global=p),n}var i=e("./utils/browser"),o=e("./utils/events"),s=e("./utils"),a=e("./scope"),l=e("./Interactable"),c=e("./Interaction"),p={};r.isSet=function(e,t){return-1!==a.interactables.indexOfElement(e,t&&t.context)},r.on=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.on(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.on(v,e[v],t);return r}return s.contains(l.eventTypes,e)?p[e]?p[e].push(t):p[e]=[t]:o.add(a.document,e,t,{options:n}),r},r.off=function(e,t,n){if(s.is.string(e)&&-1!==e.search(" ")&&(e=e.trim().split(/ +/)),s.is.array(e)){for(var i=e,c=Array.isArray(i),u=0,i=c?i:i[Symbol.iterator]();;){var d;if(c){if(u>=i.length)break;d=i[u++]}else{if(u=i.next(),u.done)break;d=u.value}var f=d;r.off(f,t,n)}return r}if(s.is.object(e)){for(var v in e)r.off(v,e[v],t);return r}if(s.contains(l.eventTypes,e)){var g=void 0;e in p&&-1!==(g=s.indexOf(p[e],t))&&p[e].splice(g,1)}else o.remove(a.document,e,t,n);return r},r.debug=function(){return a},r.getPointerAverage=s.pointerAverage,r.getTouchBBox=s.touchBBox,r.getTouchDistance=s.touchDistance,r.getTouchAngle=s.touchAngle,r.getElementRect=s.getElementRect,r.getElementClientRect=s.getElementClientRect,r.matchesSelector=s.matchesSelector,r.closest=s.closest,r.supportsTouch=function(){return i.supportsTouch},r.supportsPointerEvent=function(){return i.supportsPointerEvent},r.stop=function(e){for(var t=a.interactions.length-1;t>=0;t--)a.interactions[t].stop(e);return r},r.pointerMoveTolerance=function(e){return s.is.number(e)?(c.pointerMoveTolerance=e,this):c.pointerMoveTolerance},r.addDocument=a.addDocument,r.removeDocument=a.removeDocument,a.interact=r,t.exports=r},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils":44,"./utils/browser":37,"./utils/events":40}],22:[function(e,t,n){"use strict";function r(e){var t=e.interaction,n=e.event;t.target&&t.target.checkAndPreventDefault(n)}var i=e("./Interactable"),o=e("./Interaction"),s=e("./scope"),a=e("./utils/is"),l=e("./utils/events"),c=e("./utils/domUtils"),p=c.nodeContains,u=c.matchesSelector;i.prototype.preventDefault=function(e){return/^(always|never|auto)$/.test(e)?(this.options.preventDefault=e,this):a.bool(e)?(this.options.preventDefault=e?"always":"never",this):this.options.preventDefault},i.prototype.checkAndPreventDefault=function(e){var t=this.options.preventDefault;if("never"!==t)return"always"===t?void e.preventDefault():void(l.supportsOptions||/^(mouse|pointer|touch)*(down|start)/i.test(e.type)||a.element(e.target)&&u(e.target,"input,select,textarea,[contenteditable=true],[contenteditable=true] *")||e.preventDefault())};for(var d=["down","move","up","cancel"],f=0;f=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i;if(o.element&&(o.element===e.target||p(o.element,e.target)))return void o.target.checkAndPreventDefault(e)}}},{"./Interactable":4,"./Interaction":5,"./scope":34,"./utils/domUtils":39,"./utils/events":40,"./utils/is":46}],23:[function(e,t,n){"use strict";function r(e){var t=e.target,n=a.search(e,e.type,t);n&&n.prevTap&&e.clientX===n.prevTap.clientX&&e.clientY===n.prevTap.clientY&&t===n.prevTap.target&&(n.downTargets[0]=t,n.downTimes[0]=(new Date).getTime(),l.fire({interaction:n,event:e,eventTarget:t,pointer:e,type:"tap"}))}var i=e("./scope"),o=e("./utils/events"),s=e("./utils/browser"),a=e("./utils/interactionFinder"),l=e("./pointerEvents/base"),c=e("./utils/window"),p=c.window,u=Object.prototype.toString;if(p.Array.isArray||(p.Array.isArray=function(e){return"[object Array]"===u.call(e)}),String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")}),s.isIE8){var d=function(e){for(var t=i.interactions,n=Array.isArray(t),r=0,t=n?t:t[Symbol.iterator]();;){var o;if(n){if(r>=t.length)break;o=t[r++]}else{if(r=t.next(),r.done)break;o=r.value}var s=o;s.interacting()&&s.target.checkAndPreventDefault(e)}},f=function(e,t){var n=e.doc,i=(e.win,0===t.indexOf("listen")?o.add:o.remove);i(n,"selectstart",d),l&&i(n,"dblclick",r)};i.signals.on("add-document",f),i.signals.on("remove-document",f)}t.exports=null},{"./pointerEvents/base":31,"./scope":34,"./utils/browser":37,"./utils/events":40,"./utils/interactionFinder":45,"./utils/window":52}],24:[function(e,t,n){"use 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i;if(n){if(r>=t.length)break;i=t[r++]}else{if(r=t.next(),r.done)break;i=r.value}var o=i,s=e[o]||{};s.dx=s.dy=0,s.modifiedX=s.modifiedY=NaN,s.locked=!1,s.changed=!0,e[o]=s}return e},start:function(e,t){var n=e.interaction,r={interaction:n,pageCoords:("action-resume"===t?n.curCoords:n.startCoords).page,startOffset:n.startOffset,statuses:n.modifierStatuses,preEnd:!1,requireEndOnly:!1};a.setOffsets(r),a.resetStatuses(r.statuses),r.pageCoords=s({},n.startCoords.page),n.modifierResult=a.setAll(r)}};o.signals.on("new",function(e){e.startOffset={left:0,right:0,top:0,bottom:0},e.modifierOffsets={},e.modifierStatuses=a.resetStatuses({}),e.modifierResult=null}),o.signals.on("action-start",a.start),o.signals.on("action-resume",a.start),o.signals.on("before-action-move",function(e){var t=e.interaction,n=e.preEnd,r=e.interactingBeforeMove,i=a.setAll({interaction:t,preEnd:n,pageCoords:t.curCoords.page,statuses:t.modifierStatuses,requireEndOnly:!1});!i.shouldMove&&r&&(t._dontFireMove=!0),t.modifierResult=i}),o.signals.on("action-end",function(e){for(var t=e.interaction,n=e.event,i=0;i=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}var m=h,y=m.x,x=m.y;l.push({x:s.left-i.width*y+u.x,y:s.top-i.height*x+u.y})}else l.push(u);return l},set:function(e){var t=e.interaction,n=e.pageCoords,r=e.status,i=e.options,s=e.offset,a=[],l=void 0,c=void 0,p=void 0;if(r.useStatusXY)c={x:r.x,y:r.y};else{var u=o.getOriginXY(t.target,t.element,t.prepared.name);c=o.extend({},n),c.x-=u.x,c.y-=u.y}r.realX=c.x,r.realY=c.y;for(var d=i.targets?i.targets.length:0,f=s,v=Array.isArray(f),g=0,f=v?f:f[Symbol.iterator]();;){var h;if(v){if(g>=f.length)break;h=f[g++]}else{if(g=f.next(),g.done)break;h=g.value}for(var m=h,y=m.x,x=m.y,b=c.x-y,w=c.y-x,E=i.targets,S=Array.isArray(E),T=0,E=S?E:E[Symbol.iterator]();;){var C;if(S){if(T>=E.length)break;C=E[T++]}else{if(T=E.next(),T.done)break;C=T.value}var A=C;l=o.is.function(A)?A(b,w,t):A,l&&a.push({x:o.is.number(l.x)?l.x+y:b,y:o.is.number(l.y)?l.y+x:w,range:o.is.number(l.range)?l.range:i.range})}}var D={target:null,inRange:!1,distance:0,range:0,dx:0,dy:0};for(p=0,d=a.length;p=p.length)break;f=p[d++]}else{if(d=p.next(),d.done)break;f=d.value}var v=f,g=void 0;g=a.is.function(v)?v(l,c,t):v,g&&("width"in g&&"height"in g&&(g.x=g.width, +g.y=g.height),e.options.targets.push(g))}i.set(e)},modifyCoords:function(e){var t=e.options;e.options=a.extend({},t),e.options.enabled=t.enabled,e.options.relativePoints=[null],i.modifyCoords(e)}};r.snapSize=l,r.names.push("snapSize"),o.perAction.snapSize=l.defaults,s.defaults.snapSize=l.defaults,t.exports=l},{"../actions/resize":10,"../defaultOptions":18,"../utils/":44,"./index":24,"./snap":28}],30:[function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var i=e("../utils/pointerUtils");t.exports=function(){function e(t,n,o,s,a){if(r(this,e),i.pointerExtend(this,o),o!==n&&i.pointerExtend(this,n),this.interaction=a,this.timeStamp=(new Date).getTime(),this.originalEvent=o,this.type=t,this.pointerId=i.getPointerId(n),this.pointerType=i.getPointerType(n),this.target=s,this.currentTarget=null,"tap"===t){var l=a.getPointerIndex(n);this.dt=this.timeStamp-a.downTimes[l];var c=this.timeStamp-a.tapTime;this.double=!!(a.prevTap&&"doubletap"!==a.prevTap.type&&a.prevTap.target===this.target&&c<500)}else"doubletap"===t&&(this.dt=n.timeStamp-a.tapTime)}return e.prototype.subtractOrigin=function(e){var t=e.x,n=e.y;return this.pageX-=t,this.pageY-=n,this.clientX-=t,this.clientY-=n,this},e.prototype.addOrigin=function(e){var t=e.x,n=e.y;return this.pageX+=t,this.pageY+=n,this.clientX+=t,this.clientY+=n,this},e.prototype.preventDefault=function(){this.originalEvent.preventDefault()},e.prototype.stopPropagation=function(){this.propagationStopped=!0},e.prototype.stopImmediatePropagation=function(){this.immediatePropagationStopped=this.propagationStopped=!0},e}()},{"../utils/pointerUtils":49}],31:[function(e,t,n){"use strict";function r(e){for(var t=e.interaction,n=e.pointer,s=e.event,l=e.eventTarget,c=e.type,u=void 0===c?e.pointerEvent.type:c,d=e.targets,f=void 0===d?i(e):d,v=e.pointerEvent,g=void 0===v?new o(u,n,s,l,t):v,h={interaction:t,pointer:n,event:s,eventTarget:l,targets:f,type:u,pointerEvent:g},m=0;m=u.length)break;g=u[v++]}else{if(v=u.next(),v.done)break;g=v.value}var h=g;c.element=h,p.fire("collect-targets",c)}return"hold"===o&&(c.targets=d(c.targets,function(e){return e.eventable.options.holdDuration===t.holdTimers[s].duration})),c.targets}var o=e("./PointerEvent"),s=e("../Interaction"),a=e("../utils"),l=e("../utils/browser"),c=e("../defaultOptions"),p=e("../utils/Signals").new(),u=e("../utils/arr"),d=u.filter,f=["down","up","cancel"],v=["down","up","cancel"],g={PointerEvent:o,fire:r,collectEventTargets:i,signals:p,defaults:{holdDuration:600,ignoreFrom:null,allowFrom:null,origin:{x:0,y:0}},types:["down","move","up","cancel","tap","doubletap","hold"]};s.signals.on("update-pointer-down",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers[n]={duration:1/0,timeout:null}}),s.signals.on("remove-pointer",function(e){var t=e.interaction,n=e.pointerIndex;t.holdTimers.splice(n,1)}),s.signals.on("move",function(e){var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.duplicateMove,a=t.getPointerIndex(n);s||t.pointerIsDown&&!t.pointerWasMoved||(t.pointerIsDown&&clearTimeout(t.holdTimers[a].timeout),r({interaction:t,pointer:n,event:i,eventTarget:o,type:"move"}))}),s.signals.on("down",function(e){for(var t=e.interaction,n=e.pointer,i=e.event,o=e.eventTarget,s=e.pointerIndex,c=l.isIE8?a.extend({},i):i,u=t.holdTimers[s],d=a.getPath(o),f={interaction:t,pointer:n,event:i,eventTarget:o,type:"hold",targets:[],path:d,element:null},v=d,g=Array.isArray(v),h=0,v=g?v:v[Symbol.iterator]();;){var m;if(g){if(h>=v.length)break;m=v[h++]}else{if(h=v.next(),h.done)break;m=h.value}var y=m;f.element=y,p.fire("collect-targets",f)}if(f.targets.length){for(var x=1/0,b=0;b=0&&(p.selectors[u]!==e||p.contexts[u]!==t);u--);-1===u&&(u=p.selectors.length,p.selectors.push(e),p.contexts.push(t),p.listeners.push([])),p.listeners[u].push([i,!!s.capture,s.passive])}function s(e,t,n,r,o){var s=f(o),c=O[n],p=!1,u=void 0;if(c)for(u=c.selectors.length-1;u>=0;u--)if(c.selectors[u]===e&&c.contexts[u]===t){for(var d=c.listeners[u],v=d.length-1;v>=0;v--){var g=d[v],h=g[0],m=g[1],y=g[2];if(h===r&&m===!!s.capture&&y===s.passive){d.splice(v,1),d.length||(c.selectors.splice(u,1),c.contexts.splice(u,1),c.listeners.splice(u,1),i(t,n,a),i(t,n,l,!0),c.selectors.length||(O[n]=null)),p=!0;break}}if(p)break}}function a(e,t){var n=f(t),r={},i=O[e.type],o=g.getActualElement(e.path?e.path[0]:e.target),s=o;for(h(r,e),r.originalEvent=e,r.preventDefault=p;v.element(s);){for(var a=0;a=l.length)break;u=l[p++]}else{if(p=l.next(),p.done)break;u=p.value}var d=u,f=o[d](a);if(f)return f}},simulationResume:function(e){var t=e.pointerType,n=e.eventType,o=e.eventTarget;if(!/down|start/i.test(n))return null;for(var s=r.interactions,a=Array.isArray(s),l=0,s=a?s:s[Symbol.iterator]();;){var c;if(a){if(l>=s.length)break;c=s[l++]}else{if(l=s.next(),l.done)break;c=l.value}var p=c,u=o;if(p.simulation&&p.simulation.allowResume&&p.pointerType===t)for(;u;){if(u===p.element)return p;u=i.parentNode(u)}}return null},mouseOrPen:function(e){var t=e.pointerId,n=e.pointerType,o=e.eventType;if("mouse"!==n&&"pen"!==n)return null;for(var s=void 0,a=r.interactions,l=Array.isArray(a),c=0,a=l?a:a[Symbol.iterator]();;){var p;if(l){if(c>=a.length)break;p=a[c++]}else{if(c=a.next(),c.done)break;p=c.value}var u=p;if(u.pointerType===n){if(u.simulation&&!i.contains(u.pointerIds,t))continue;if(u.interacting())return u;s||(s=u)}}if(s)return s;for(var d=r.interactions,f=Array.isArray(d),v=0,d=f?d:d[Symbol.iterator]();;){var g;if(f){if(v>=d.length)break;g=d[v++]}else{if(v=d.next(),v.done)break;g=v.value}var h=g;if(!(h.pointerType!==n||/down/i.test(o)&&h.simulation))return h}return null},hasPointer:function(e){for(var t=e.pointerId,n=r.interactions,o=Array.isArray(n),s=0,n=o?n:n[Symbol.iterator]();;){var a;if(o){if(s>=n.length)break;a=n[s++]}else{if(s=n.next(),s.done)break;a=s.value}var l=a;if(i.contains(l.pointerIds,t))return l}},idle:function(e){for(var t=e.pointerType,n=r.interactions,i=Array.isArray(n),o=0,n=i?n:n[Symbol.iterator]();;){var s;if(i){if(o>=n.length)break;s=n[o++]}else{if(o=n.next(),o.done)break;s=o.value}var a=s;if(1===a.pointerIds.length){var l=a.target;if(l&&!l.options.gesture.enabled)continue}else if(a.pointerIds.length>=2)continue;if(!a.interacting()&&t===a.pointerType)return a}return null}};t.exports=o},{"../scope":34,"./index":44}],46:[function(e,t,n){"use strict";var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./window"),o=e("./isWindow"),s={array:function(){},window:function(e){return e===i.window||o(e)},docFrag:function(e){return s.object(e)&&11===e.nodeType},object:function(e){return!!e&&"object"===(void 0===e?"undefined":r(e))},function:function(e){return"function"==typeof e},number:function(e){return"number"==typeof e},bool:function(e){return"boolean"==typeof e},string:function(e){return"string"==typeof e},element:function(e){if(!e||"object"!==(void 0===e?"undefined":r(e)))return!1;var t=i.getWindow(e)||i.window;return/object|function/.test(r(t.Element))?e instanceof t.Element:1===e.nodeType&&"string"==typeof e.nodeName}};s.array=function(e){return s.object(e)&&void 0!==e.length&&s.function(e.splice)},t.exports=s},{"./isWindow":47,"./window":52}],47:[function(e,t,n){"use strict";t.exports=function(e){return!(!e||!e.Window)&&e instanceof e.Window}},{}],48:[function(e,t,n){"use strict";function r(e,n){for(var r in n){var i=t.exports.prefixedPropREs,o=!1;for(var s in i)if(0===r.indexOf(s)&&i[s].test(r)){o=!0;break}o||"function"==typeof n[r]||(e[r]=n[r])}return e}r.prefixedPropREs={webkit:/(Movement[XY]|Radius[XY]|RotationAngle|Force)$/},t.exports=r},{}],49:[function(e,t,n){"use strict";var r=e("./hypot"),i=e("./browser"),o=e("./domObjects"),s=e("./domUtils"),a=e("./domObjects"),l=e("./is"),c=e("./pointerExtend"),p={copyCoords:function(e,t){e.page=e.page||{},e.page.x=t.page.x,e.page.y=t.page.y,e.client=e.client||{},e.client.x=t.client.x,e.client.y=t.client.y,e.timeStamp=t.timeStamp},setCoordDeltas:function(e,t,n){e.page.x=n.page.x-t.page.x,e.page.y=n.page.y-t.page.y,e.client.x=n.client.x-t.client.x,e.client.y=n.client.y-t.client.y,e.timeStamp=n.timeStamp-t.timeStamp;var i=Math.max(e.timeStamp/1e3,.001);e.page.speed=r(e.page.x,e.page.y)/i,e.page.vx=e.page.x/i,e.page.vy=e.page.y/i,e.client.speed=r(e.client.x,e.page.y)/i,e.client.vx=e.client.x/i,e.client.vy=e.client.y/i},isNativePointer:function(e){return e instanceof o.Event||e instanceof o.Touch},getXY:function(e,t,n){return n=n||{},e=e||"page",n.x=t[e+"X"],n.y=t[e+"Y"],n},getPageXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?(p.getXY("screen",e,t),t.x+=window.scrollX,t.y+=window.scrollY):p.getXY("page",e,t),t},getClientXY:function(e,t){return t=t||{},i.isOperaMobile&&p.isNativePointer(e)?p.getXY("screen",e,t):p.getXY("client",e,t),t},getPointerId:function(e){return l.number(e.pointerId)?e.pointerId:e.identifier},setCoords:function(e,t,n){var r=t.length>1?p.pointerAverage(t):t[0],i={};p.getPageXY(r,i),e.page.x=i.x,e.page.y=i.y,p.getClientXY(r,i),e.client.x=i.x,e.client.y=i.y,e.timeStamp=l.number(n)?n:(new Date).getTime()},pointerExtend:c,getTouchPair:function(e){var t=[];return l.array(e)?(t[0]=e[0],t[1]=e[1]):"touchend"===e.type?1===e.touches.length?(t[0]=e.touches[0],t[1]=e.changedTouches[0]):0===e.touches.length&&(t[0]=e.changedTouches[0],t[1]=e.changedTouches[1]):(t[0]=e.touches[0],t[1]=e.touches[1]),t},pointerAverage:function(e){for(var t={pageX:0,pageY:0,clientX:0,clientY:0,screenX:0,screenY:0},n=e,r=Array.isArray(n),i=0,n=r?n:n[Symbol.iterator]();;){var o;if(r){if(i>=n.length)break;o=n[i++]}else{if(i=n.next(),i.done)break;o=i.value}var s=o;for(var a in t)t[a]+=s[a]}for(var l in t)t[l]/=e.length;return t},touchBBox:function(e){if(e.length||e.touches&&e.touches.length>1){var t=p.getTouchPair(e),n=Math.min(t[0].pageX,t[1].pageX),r=Math.min(t[0].pageY,t[1].pageY);return{x:n,y:r,left:n,top:r,width:Math.max(t[0].pageX,t[1].pageX)-n,height:Math.max(t[0].pageY,t[1].pageY)-r}}},touchDistance:function(e,t){var n=t+"X",i=t+"Y",o=p.getTouchPair(e),s=o[0][n]-o[1][n],a=o[0][i]-o[1][i];return r(s,a)},touchAngle:function(e,t,n){var r=n+"X",i=n+"Y",o=p.getTouchPair(e),s=o[1][r]-o[0][r],a=o[1][i]-o[0][i];return 180*Math.atan2(a,s)/Math.PI},getPointerType:function(e){return l.string(e.pointerType)?e.pointerType:l.number(e.pointerType)?[void 0,void 0,"touch","pen","mouse"][e.pointerType]:/touch/.test(e.type)||e instanceof a.Touch?"touch":"mouse"},getEventTargets:function(e){return[s.getActualElement(e.path?e.path[0]:e.target),s.getActualElement(e.currentTarget)]}};t.exports=p},{"./browser":37,"./domObjects":38,"./domUtils":39,"./hypot":43,"./is":46,"./pointerExtend":48}],50:[function(e,t,n){"use strict";for(var r=e("./window"),i=r.window,o=["ms","moz","webkit","o"],s=0,a=void 0,l=void 0,c=0;c\n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// all set interactables\nscope.interactables = [];\n\n/*\\\n * Interactable\n [ property ]\n **\n * Object type returned by @interact\n\\*/\nclass Interactable {\n constructor (target, options) {\n options = options || {};\n\n this.target = target;\n this.events = new Eventable();\n this._context = options.context || scope.document;\n this._win = getWindow(trySelector(target)? this._context : target);\n this._doc = this._win.document;\n\n signals.fire('new', {\n target,\n options,\n interactable: this,\n win: this._win,\n });\n\n scope.addDocument( this._doc, this._win );\n\n scope.interactables.push(this);\n\n this.set(options);\n }\n\n setOnEvents (action, phases) {\n const onAction = 'on' + action;\n\n if (is.function(phases.onstart) ) { this.events[onAction + 'start' ] = phases.onstart ; }\n if (is.function(phases.onmove) ) { this.events[onAction + 'move' ] = phases.onmove ; }\n if (is.function(phases.onend) ) { this.events[onAction + 'end' ] = phases.onend ; }\n if (is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor () {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.mouse = false;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const id = utils.getPointerId(pointer);\n const index = this.mouse? 0 : utils.indexOf(this.pointerIds, id);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction()]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = !scope.interactions[i].mouse && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n\n interaction = new Interaction();\n interaction.mouse = (/mouse/i.test(event.pointerType || event.type)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || event.pointerType === 4\n || !event.pointerType);\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (scope.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer, interaction);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction, eventCopy, eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\nconst browser = require('./browser');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouse', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const mouseEvent = (/mouse/i.test(pointer.pointerType || eventType)\n // MSPointerEvent.MSPOINTER_TYPE_MOUSE\n || pointer.pointerType === 4);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, mouseEvent, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ mouseEvent, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.mouse === mouseEvent)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse interaction\n mouse: function ({ pointerId, mouseEvent, eventType }) {\n if (!mouseEvent && (browser.supportsTouch || browser.supportsPointerEvent)) {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.mouse) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // Find any interaction specifically for mouse.\n // ignore the interaction if the eventType is a mousedown, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.mouse && !(/down/.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction\n idle: function ({ mouseEvent }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (mouseEvent === interaction.mouse)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer, interaction) {\n // if the PointerEvent API isn't available, then the pointer must be ither\n // a MouseEvent or TouchEvent\n if (interaction.mouse) { return 'mouse'; }\n if (!browser.supportsPointerEvent) { return 'touch'; }\n\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType];\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = 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interact.js v1.3.0-alpha.4+sha.7970416-dirty | https://raw.github.com/taye/interact.js/master/LICENSE */\n","/**\n * interact.js v1.3.0-alpha.4+sha.7970416-dirty\n *\n * Copyright (c) 2012-2017 Taye Adeyemi \n * Open source under the MIT License.\n * https://raw.github.com/taye/interact.js/master/LICENSE\n */\n","/*\n * In a (windowless) server environment this file exports a factory function\n * that takes the window to use.\n *\n * var interact = require('interact.js')(windowObject);\n *\n * See https://github.com/taye/interact.js/issues/187\n */\nif (typeof window === 'undefined') {\n module.exports = function (window) {\n require('./src/utils/window').init(window);\n\n return require('./src/index');\n };\n}\nelse {\n module.exports = require('./src/index');\n}\n","const { indexOf } = require('./utils/arr');\nconst extend = require('./utils/extend.js');\n\nfunction fireUntilImmediateStopped (event, listeners) {\n for (let i = 0, len = listeners.length; i < len && !event.immediatePropagationStopped; i++) {\n listeners[i](event);\n }\n}\n\nclass Eventable {\n\n constructor (options) {\n this.options = extend({}, options || {});\n }\n\n fire (event) {\n let listeners;\n const onEvent = 'on' + event.type;\n const global = this.global;\n\n // Interactable#on() listeners\n if ((listeners = this[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n\n // interactable.onevent listener\n if (this[onEvent]) {\n this[onEvent](event);\n }\n\n // interact.on() listeners\n if (!event.propagationStopped && global && (listeners = global[event.type])) {\n fireUntilImmediateStopped(event, listeners);\n }\n }\n\n on (eventType, listener) {\n // if this type of event was never bound\n if (this[eventType]) {\n this[eventType].push(listener);\n }\n else {\n this[eventType] = [listener];\n }\n }\n\n off (eventType, listener) {\n // if it is an action event type\n const eventList = this[eventType];\n const index = eventList? indexOf(eventList, listener) : -1;\n\n if (index !== -1) {\n eventList.splice(index, 1);\n }\n\n if (eventList && eventList.length === 0 || !listener) {\n this[eventType] = listener;\n }\n }\n}\n\nmodule.exports = Eventable;\n","const extend = require('./utils/extend');\nconst getOriginXY = require('./utils/getOriginXY');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nclass InteractEvent {\n constructor (interaction, event, action, phase, element, related, preEnd = false) {\n const target = interaction.target;\n const deltaSource = (target && target.options || defaults).deltaSource;\n const origin = getOriginXY(target, element, action);\n const starting = phase === 'start';\n const ending = phase === 'end';\n const coords = starting? interaction.startCoords : interaction.curCoords;\n const prevEvent = interaction.prevEvent;\n\n element = element || interaction.element;\n\n const page = extend({}, coords.page);\n const client = extend({}, coords.client);\n\n page.x -= origin.x;\n page.y -= origin.y;\n\n client.x -= origin.x;\n client.y -= origin.y;\n\n this.ctrlKey = event.ctrlKey;\n this.altKey = event.altKey;\n this.shiftKey = event.shiftKey;\n this.metaKey = event.metaKey;\n this.button = event.button;\n this.buttons = event.buttons;\n this.target = element;\n this.currentTarget = element;\n this.relatedTarget = related || null;\n this.preEnd = preEnd;\n this.type = action + (phase || '');\n this.interaction = interaction;\n this.interactable = target;\n\n this.t0 = starting ? interaction.downTimes[interaction.downTimes.length - 1]\n : prevEvent.t0;\n\n const signalArg = {\n interaction,\n event,\n action,\n phase,\n element,\n related,\n page,\n client,\n coords,\n starting,\n ending,\n deltaSource,\n iEvent: this,\n };\n\n signals.fire('set-xy', signalArg);\n\n if (ending) {\n // use previous coords when ending\n this.pageX = prevEvent.pageX;\n this.pageY = prevEvent.pageY;\n this.clientX = prevEvent.clientX;\n this.clientY = prevEvent.clientY;\n }\n else {\n this.pageX = page.x;\n this.pageY = page.y;\n this.clientX = client.x;\n this.clientY = client.y;\n }\n\n this.x0 = interaction.startCoords.page.x - origin.x;\n this.y0 = interaction.startCoords.page.y - origin.y;\n this.clientX0 = interaction.startCoords.client.x - origin.x;\n this.clientY0 = interaction.startCoords.client.y - origin.y;\n\n signals.fire('set-delta', signalArg);\n\n this.timeStamp = coords.timeStamp;\n this.dt = interaction.pointerDelta.timeStamp;\n this.duration = this.timeStamp - this.t0;\n\n // speed and velocity in pixels per second\n this.speed = interaction.pointerDelta[deltaSource].speed;\n this.velocityX = interaction.pointerDelta[deltaSource].vx;\n this.velocityY = interaction.pointerDelta[deltaSource].vy;\n\n this.swipe = (ending || phase === 'inertiastart')? this.getSwipe() : null;\n\n signals.fire('new', signalArg);\n }\n\n getSwipe () {\n const interaction = this.interaction;\n\n if (interaction.prevEvent.speed < 600\n || this.timeStamp - interaction.prevEvent.timeStamp > 150) {\n return null;\n }\n\n let angle = 180 * Math.atan2(interaction.prevEvent.velocityY, interaction.prevEvent.velocityX) / Math.PI;\n const overlap = 22.5;\n\n if (angle < 0) {\n angle += 360;\n }\n\n const left = 135 - overlap <= angle && angle < 225 + overlap;\n const up = 225 - overlap <= angle && angle < 315 + overlap;\n\n const right = !left && (315 - overlap <= angle || angle < 45 + overlap);\n const down = !up && 45 - overlap <= angle && angle < 135 + overlap;\n\n return {\n up,\n down,\n left,\n right,\n angle,\n speed: interaction.prevEvent.speed,\n velocity: {\n x: interaction.prevEvent.velocityX,\n y: interaction.prevEvent.velocityY,\n },\n };\n }\n\n preventDefault () {}\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n}\n\nsignals.on('set-delta', function ({ iEvent, interaction, starting, deltaSource }) {\n const prevEvent = starting? iEvent : interaction.prevEvent;\n\n if (deltaSource === 'client') {\n iEvent.dx = iEvent.clientX - prevEvent.clientX;\n iEvent.dy = iEvent.clientY - prevEvent.clientY;\n }\n else {\n iEvent.dx = iEvent.pageX - prevEvent.pageX;\n iEvent.dy = iEvent.pageY - prevEvent.pageY;\n }\n});\n\nInteractEvent.signals = signals;\n\nmodule.exports = InteractEvent;\n","const is = require('./utils/is');\nconst events = require('./utils/events');\nconst extend = require('./utils/extend');\nconst actions = require('./actions/base');\nconst scope = require('./scope');\nconst Eventable = require('./Eventable');\nconst defaults = require('./defaultOptions');\nconst signals = require('./utils/Signals').new();\n\nconst {\n getElementRect,\n nodeContains,\n trySelector,\n} = require('./utils/domUtils');\nconst { getWindow } = require('./utils/window');\nconst { indexOf, contains } = require('./utils/arr');\nconst { wheelEvent } = require('./utils/browser');\n\n// 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(is.function(phases.oninertiastart)) { this.events[onAction + 'inertiastart' ] = phases.oninertiastart ; }\n\n return this;\n }\n\n setPerAction (action, options) {\n // for all the default per-action options\n for (const option in options) {\n // if this option exists for this action\n if (option in defaults[action]) {\n // if the option in the options arg is an object value\n if (is.object(options[option])) {\n // duplicate the object\n this.options[action][option] = extend(this.options[action][option] || {}, options[option]);\n\n if (is.object(defaults.perAction[option]) && 'enabled' in defaults.perAction[option]) {\n this.options[action][option].enabled = options[option].enabled === false? false : true;\n }\n }\n else if (is.bool(options[option]) && is.object(defaults.perAction[option])) {\n this.options[action][option].enabled = options[option];\n }\n else if (options[option] !== undefined) {\n // or if it's not undefined, do a plain assignment\n this.options[action][option] = options[option];\n }\n }\n }\n }\n\n /*\\\n * Interactable.getRect\n [ method ]\n *\n * The default function to get an Interactables bounding rect. Can be\n * overridden using @Interactable.rectChecker.\n *\n - element (Element) #optional The element to measure.\n = (object) The object's bounding rectangle.\n o {\n o top : 0,\n o left : 0,\n o bottom: 0,\n o right : 0,\n o width : 0,\n o height: 0\n o }\n \\*/\n getRect (element) {\n element = element || this.target;\n\n if (is.string(this.target) && !(is.element(element))) {\n element = this._context.querySelector(this.target);\n }\n\n return getElementRect(element);\n }\n\n /*\\\n * Interactable.rectChecker\n [ method ]\n *\n * Returns or sets the function used to calculate the interactable's\n * element's rectangle\n *\n - checker (function) #optional A function which returns this Interactable's bounding rectangle. See @Interactable.getRect\n = (function | object) The checker function or this Interactable\n \\*/\n rectChecker (checker) {\n if (is.function(checker)) {\n this.getRect = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.getRect;\n\n return this;\n }\n\n return this.getRect;\n }\n\n _backCompatOption (optionName, newValue) {\n if (trySelector(newValue) || is.object(newValue)) {\n this.options[optionName] = newValue;\n\n for (const action of actions.names) {\n this.options[action][optionName] = newValue;\n }\n\n return this;\n }\n\n return this.options[optionName];\n }\n\n /*\\\n * Interactable.origin\n [ method ]\n *\n * Gets or sets the origin of the Interactable's element. The x and y\n * of the origin will be subtracted from action event coordinates.\n *\n - origin (object | string) #optional An object eg. { x: 0, y: 0 } or string 'parent', 'self' or any CSS selector\n * OR\n - origin (Element) #optional An HTML or SVG Element whose rect will be used\n **\n = (object) The current origin or this Interactable\n \\*/\n origin (newValue) {\n return this._backCompatOption('origin', newValue);\n }\n\n /*\\\n * Interactable.deltaSource\n [ method ]\n *\n * Returns or sets the mouse coordinate types used to calculate the\n * movement of the pointer.\n *\n - newValue (string) #optional Use 'client' if you will be scrolling while interacting; Use 'page' if you want autoScroll to work\n = (string | object) The current deltaSource or this Interactable\n \\*/\n deltaSource (newValue) {\n if (newValue === 'page' || newValue === 'client') {\n this.options.deltaSource = newValue;\n\n return this;\n }\n\n return this.options.deltaSource;\n }\n\n /*\\\n * Interactable.context\n [ method ]\n *\n * Gets the selector context Node of the Interactable. The default is `window.document`.\n *\n = (Node) The context Node of this Interactable\n **\n \\*/\n context () {\n return this._context;\n }\n\n inContext (element) {\n return (this._context === element.ownerDocument\n || nodeContains(this._context, element));\n }\n\n /*\\\n * Interactable.fire\n [ method ]\n *\n * Calls listeners for the given InteractEvent type bound globally\n * and directly to this Interactable\n *\n - iEvent (InteractEvent) The InteractEvent object to be fired on this Interactable\n = (Interactable) this Interactable\n \\*/\n fire (iEvent) {\n this.events.fire(iEvent);\n\n return this;\n }\n\n _onOffMultiple (method, eventType, listener, options) {\n if (is.string(eventType) && eventType.search(' ') !== -1) {\n eventType = eventType.trim().split(/ +/);\n }\n\n if (is.array(eventType)) {\n for (let i = 0; i < eventType.length; i++) {\n this[method](eventType[i], listener, options);\n }\n\n return true;\n }\n\n if (is.object(eventType)) {\n for (const prop in eventType) {\n this[method](prop, eventType[prop], listener);\n }\n\n return true;\n }\n }\n\n /*\\\n * Interactable.on\n [ method ]\n *\n * Binds a listener for an InteractEvent, pointerEvent or DOM event.\n *\n - eventType (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) This Interactable\n \\*/\n on (eventType, listener, options) {\n if (this._onOffMultiple('on', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.on(eventType, listener);\n }\n // delegated event for selector\n else if (is.string(this.target)) {\n events.addDelegate(this.target, this._context, eventType, listener, options);\n }\n else {\n events.add(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.off\n [ method ]\n *\n * Removes an InteractEvent, pointerEvent or DOM event listener\n *\n - eventType (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) This Interactable\n \\*/\n off (eventType, listener, options) {\n if (this._onOffMultiple('off', eventType, listener, options)) {\n return this;\n }\n\n if (eventType === 'wheel') { eventType = wheelEvent; }\n\n // if it is an action event type\n if (contains(Interactable.eventTypes, eventType)) {\n this.events.off(eventType, listener);\n }\n // delegated event\n else if (is.string(this.target)) {\n events.removeDelegate(this.target, this._context, eventType, listener, options);\n }\n // remove listener from this Interatable's element\n else {\n events.remove(this.target, eventType, listener, options);\n }\n\n return this;\n }\n\n /*\\\n * Interactable.set\n [ method ]\n *\n * Reset the options of this Interactable\n - options (object) The new settings to apply\n = (object) This Interactable\n \\*/\n set (options) {\n if (!is.object(options)) {\n options = {};\n }\n\n this.options = extend({}, defaults.base);\n\n const perActions = extend({}, defaults.perAction);\n\n for (const actionName in actions.methodDict) {\n const methodName = actions.methodDict[actionName];\n\n this.options[actionName] = extend({}, defaults[actionName]);\n\n this.setPerAction(actionName, perActions);\n\n this[methodName](options[actionName]);\n }\n\n for (const setting of Interactable.settingsMethods) {\n this.options[setting] = defaults.base[setting];\n\n if (setting in options) {\n this[setting](options[setting]);\n }\n }\n\n signals.fire('set', {\n options,\n interactable: this,\n });\n\n return this;\n }\n\n /*\\\n * Interactable.unset\n [ method ]\n *\n * Remove this interactable from the list of interactables and remove\n * it's action capabilities and event listeners\n *\n = (object) @interact\n \\*/\n unset () {\n events.remove(this.target, 'all');\n\n if (is.string(this.target)) {\n // remove delegated events\n for (const type in events.delegatedEvents) {\n const delegated = events.delegatedEvents[type];\n\n if (delegated.selectors[0] === this.target\n && delegated.contexts[0] === this._context) {\n\n delegated.selectors.splice(0, 1);\n delegated.contexts .splice(0, 1);\n delegated.listeners.splice(0, 1);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegated[type] = null;\n }\n }\n\n events.remove(this._context, type, events.delegateListener);\n events.remove(this._context, type, events.delegateUseCapture, true);\n }\n }\n else {\n events.remove(this, 'all');\n }\n\n signals.fire('unset', { interactable: this });\n\n scope.interactables.splice(indexOf(scope.interactables, this), 1);\n\n // Stop related interactions when an Interactable is unset\n for (const interaction of scope.interactions || []) {\n if (interaction.target === this && interaction.interacting()) {\n interaction.stop();\n }\n }\n\n return scope.interact;\n }\n}\n\nscope.interactables.indexOfElement = function indexOfElement (target, context) {\n context = context || scope.document;\n\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n if (interactable.target === target && interactable._context === context) {\n return i;\n }\n }\n return -1;\n};\n\nscope.interactables.get = function interactableGet (element, options, dontCheckInContext) {\n const ret = this[this.indexOfElement(element, options && options.context)];\n\n return ret && (is.string(element) || dontCheckInContext || ret.inContext(element))? ret : null;\n};\n\nscope.interactables.forEachSelector = function (callback, element) {\n for (let i = 0; i < this.length; i++) {\n const interactable = this[i];\n\n // skip non CSS selector targets and out of context elements\n if (!is.string(interactable.target)\n || (element && !interactable.inContext(element))) {\n continue;\n }\n\n const ret = callback(interactable, interactable.target, interactable._context, i, this);\n\n if (ret !== undefined) {\n return ret;\n }\n }\n};\n\n// all interact.js eventTypes\nInteractable.eventTypes = scope.eventTypes = [];\n\nInteractable.signals = signals;\n\nInteractable.settingsMethods = [ 'deltaSource', 'origin', 'preventDefault', 'rectChecker' ];\n\nmodule.exports = Interactable;\n","const scope = require('./scope');\nconst utils = require('./utils');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst domObjects = require('./utils/domObjects');\nconst finder = require('./utils/interactionFinder');\nconst signals = require('./utils/Signals').new();\n\nconst listeners = {};\nconst methodNames = [\n 'pointerDown', 'pointerMove', 'pointerUp',\n 'updatePointer', 'removePointer',\n];\n\n// for ignoring browser's simulated mouse events\nlet prevTouchTime = 0;\n\n// all active and idle interactions\nscope.interactions = [];\n\nclass Interaction {\n constructor ({ pointerType }) {\n this.target = null; // current interactable being interacted with\n this.element = null; // the target element of the interactable\n\n this.prepared = { // action that's ready to be fired on next move event\n name : null,\n axis : null,\n edges: null,\n };\n\n // keep track of added pointers\n this.pointers = [];\n this.pointerIds = [];\n this.downTargets = [];\n this.downTimes = [];\n\n // Previous native pointer move event coordinates\n this.prevCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n // current native pointer move event coordinates\n this.curCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Starting InteractEvent pointer coordinates\n this.startCoords = {\n page : { x: 0, y: 0 },\n client : { x: 0, y: 0 },\n timeStamp: 0,\n };\n\n // Change in coordinates and time of the pointer\n this.pointerDelta = {\n page : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n client : { x: 0, y: 0, vx: 0, vy: 0, speed: 0 },\n timeStamp: 0,\n };\n\n this.downEvent = null; // pointerdown/mousedown/touchstart event\n this.downPointer = {};\n\n this._eventTarget = null;\n this._curEventTarget = null;\n\n this.prevEvent = null; // previous action event\n\n this.pointerIsDown = false;\n this.pointerWasMoved = false;\n this._interacting = false;\n\n this.pointerType = pointerType;\n\n signals.fire('new', this);\n\n scope.interactions.push(this);\n }\n\n pointerDown (pointer, event, eventTarget) {\n const pointerIndex = this.updatePointer(pointer, event, true);\n\n signals.fire('down', {\n pointer,\n event,\n eventTarget,\n pointerIndex,\n interaction: this,\n });\n }\n\n /*\\\n * Interaction.start\n [ method ]\n *\n * Start an action with the given Interactable and Element as tartgets. The\n * action must be enabled for the target Interactable and an appropriate number\n * of pointers must be held down - 1 for drag/resize, 2 for gesture.\n *\n * Use it with `interactable.able({ manualStart: false })` to always\n * [start actions manually](https://github.com/taye/interact.js/issues/114)\n *\n - action (object) The action to be performed - drag, resize, etc.\n - target (Interactable) The Interactable to target\n - element (Element) The DOM Element to target\n = (object) interact\n **\n | interact(target)\n | .draggable({\n | // disable the default drag start by down->move\n | manualStart: true\n | })\n | // start dragging after the user holds the pointer down\n | .on('hold', function (event) {\n | var interaction = event.interaction;\n |\n | if (!interaction.interacting()) {\n | interaction.start({ name: 'drag' },\n | event.interactable,\n | event.currentTarget);\n | }\n | });\n \\*/\n start (action, target, element) {\n if (this.interacting()\n || !this.pointerIsDown\n || this.pointerIds.length < (action.name === 'gesture'? 2 : 1)) {\n return;\n }\n\n // if this interaction had been removed after stopping\n // add it back\n if (utils.indexOf(scope.interactions, this) === -1) {\n scope.interactions.push(this);\n }\n\n utils.copyAction(this.prepared, action);\n this.target = target;\n this.element = element;\n\n signals.fire('action-start', {\n interaction: this,\n event: this.downEvent,\n });\n }\n\n pointerMove (pointer, event, eventTarget) {\n if (!this.simulation) {\n this.updatePointer(pointer);\n utils.setCoords(this.curCoords, this.pointers);\n }\n\n const duplicateMove = (this.curCoords.page.x === this.prevCoords.page.x\n && this.curCoords.page.y === this.prevCoords.page.y\n && this.curCoords.client.x === this.prevCoords.client.x\n && this.curCoords.client.y === this.prevCoords.client.y);\n\n let dx;\n let dy;\n\n // register movement greater than pointerMoveTolerance\n if (this.pointerIsDown && !this.pointerWasMoved) {\n dx = this.curCoords.client.x - this.startCoords.client.x;\n dy = this.curCoords.client.y - this.startCoords.client.y;\n\n this.pointerWasMoved = utils.hypot(dx, dy) > Interaction.pointerMoveTolerance;\n }\n\n const signalArg = {\n pointer,\n pointerIndex: this.getPointerIndex(pointer),\n event,\n eventTarget,\n dx,\n dy,\n duplicate: duplicateMove,\n interaction: this,\n interactingBeforeMove: this.interacting(),\n };\n\n if (!duplicateMove) {\n // set pointer coordinate, time changes and speeds\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n }\n\n signals.fire('move', signalArg);\n\n if (!duplicateMove) {\n // if interacting, fire an 'action-move' signal etc\n if (this.interacting()) {\n this.doMove(signalArg);\n }\n\n if (this.pointerWasMoved) {\n utils.copyCoords(this.prevCoords, this.curCoords);\n }\n }\n }\n\n /*\\\n * Interaction.doMove\n [ method ]\n *\n * Force a move of the current action at the same coordinates. Useful if\n * snap/restrict has been changed and you want a movement with the new\n * settings.\n *\n **\n | interact(target)\n | .draggable(true)\n | .on('dragmove', function (event) {\n | if (someCondition) {\n | // change the snap settings\n | event.interactable.draggable({ snap: { targets: [] }});\n | // fire another move event with re-calculated snap\n | event.interaction.doMove();\n | }\n | });\n \\*/\n doMove (signalArg) {\n signalArg = utils.extend({\n pointer: this.pointers[0],\n event: this.prevEvent,\n eventTarget: this._eventTarget,\n interaction: this,\n }, signalArg || {});\n\n signals.fire('before-action-move', signalArg);\n\n if (!this._dontFireMove) {\n signals.fire('action-move', signalArg);\n }\n\n this._dontFireMove = false;\n }\n\n // End interact move events and stop auto-scroll unless simulation is running\n pointerUp (pointer, event, eventTarget, curEventTarget) {\n const pointerIndex = this.getPointerIndex(pointer);\n\n signals.fire(/cancel$/i.test(event.type)? 'cancel' : 'up', {\n pointer,\n pointerIndex,\n event,\n eventTarget,\n curEventTarget,\n interaction: this,\n });\n\n if (!this.simulation) {\n this.end(event);\n }\n\n this.pointerIsDown = false;\n this.removePointer(pointer, event);\n }\n\n /*\\\n * Interaction.end\n [ method ]\n *\n * Stop the current action and fire an end event. Inertial movement does\n * not happen.\n *\n - event (PointerEvent) #optional\n **\n | interact(target)\n | .draggable(true)\n | .on('move', function (event) {\n | if (event.pageX > 1000) {\n | // end the current action\n | event.interaction.end();\n | // stop all further listeners from being called\n | event.stopImmediatePropagation();\n | }\n | });\n \\*/\n end (event) {\n event = event || this.prevEvent;\n\n if (this.interacting()) {\n signals.fire('action-end', {\n event,\n interaction: this,\n });\n }\n\n this.stop();\n }\n\n currentAction () {\n return this._interacting? this.prepared.name: null;\n }\n\n interacting () {\n return this._interacting;\n }\n\n stop () {\n signals.fire('stop', { interaction: this });\n\n if (this._interacting) {\n signals.fire('stop-active', { interaction: this });\n signals.fire('stop-' + this.prepared.name, { interaction: this });\n }\n\n this.target = this.element = null;\n\n this._interacting = false;\n this.prepared.name = this.prevEvent = null;\n }\n\n getPointerIndex (pointer) {\n // mouse and pen interactions may have only one pointer\n if (this.pointerType === 'mouse' || this.pointerType === 'pen') {\n return 0;\n }\n\n return utils.indexOf(this.pointerIds, utils.getPointerId(pointer));\n }\n\n updatePointer (pointer, event, down = event && /(down|start)$/i.test(event.type)) {\n const id = utils.getPointerId(pointer);\n let index = this.getPointerIndex(pointer);\n\n if (index === -1) {\n index = this.pointerIds.length;\n this.pointerIds[index] = id;\n }\n\n if (down) {\n signals.fire('update-pointer-down', {\n pointer,\n event,\n down,\n pointerId: id,\n pointerIndex: index,\n interaction: this,\n });\n }\n\n this.pointers[index] = pointer;\n\n return index;\n }\n\n removePointer (pointer, event) {\n const index = this.getPointerIndex(pointer);\n\n if (index === -1) { return; }\n\n signals.fire('remove-pointer', {\n pointer,\n event,\n pointerIndex: index,\n interaction: this,\n });\n\n this.pointers .splice(index, 1);\n this.pointerIds .splice(index, 1);\n this.downTargets.splice(index, 1);\n this.downTimes .splice(index, 1);\n }\n\n _updateEventTargets (target, currentTarget) {\n this._eventTarget = target;\n this._curEventTarget = currentTarget;\n }\n}\n\nfor (let i = 0, len = methodNames.length; i < len; i++) {\n const method = methodNames[i];\n\n listeners[method] = doOnInteractions(method);\n}\n\nfunction doOnInteractions (method) {\n return (function (event) {\n const pointerType = utils.getPointerType(event);\n const [eventTarget, curEventTarget] = utils.getEventTargets(event);\n const matches = []; // [ [pointer, interaction], ...]\n\n if (browser.supportsTouch && /touch/.test(event.type)) {\n prevTouchTime = new Date().getTime();\n\n for (let i = 0; i < event.changedTouches.length; i++) {\n const pointer = event.changedTouches[i];\n const interaction = finder.search(pointer, event.type, eventTarget);\n\n matches.push([pointer, interaction || new Interaction({ pointerType })]);\n }\n }\n else {\n let invalidPointer = false;\n\n if (!browser.supportsPointerEvent && /mouse/.test(event.type)) {\n // ignore mouse events while touch interactions are active\n for (let i = 0; i < scope.interactions.length && !invalidPointer; i++) {\n invalidPointer = scope.interactions[i].pointerType !== 'mouse' && scope.interactions[i].pointerIsDown;\n }\n\n // try to ignore mouse events that are simulated by the browser\n // after a touch event\n invalidPointer = invalidPointer\n || (new Date().getTime() - prevTouchTime < 500)\n // on iOS and Firefox Mobile, MouseEvent.timeStamp is zero if simulated\n || event.timeStamp === 0;\n }\n\n if (!invalidPointer) {\n let interaction = finder.search(event, event.type, eventTarget);\n\n if (!interaction) {\n interaction = new Interaction({ pointerType });\n }\n\n matches.push([event, interaction]);\n }\n }\n\n for (const [pointer, interaction] of matches) {\n interaction._updateEventTargets(eventTarget, curEventTarget);\n interaction[method](pointer, event, eventTarget, curEventTarget);\n }\n });\n}\n\nfunction endAll (event) {\n for (let i = 0; i < scope.interactions.length; i++) {\n const interaction = scope.interactions[i];\n\n interaction.end(event);\n signals.fire('endall', { event, interaction });\n }\n}\n\nconst docEvents = { /* 'eventType': listenerFunc */ };\nconst pEventTypes = browser.pEventTypes;\n\nif (domObjects.PointerEvent) {\n docEvents[pEventTypes.down ] = listeners.pointerDown;\n docEvents[pEventTypes.move ] = listeners.pointerMove;\n docEvents[pEventTypes.up ] = listeners.pointerUp;\n docEvents[pEventTypes.cancel] = listeners.pointerUp;\n}\nelse {\n docEvents.mousedown = listeners.pointerDown;\n docEvents.mousemove = listeners.pointerMove;\n docEvents.mouseup = listeners.pointerUp;\n\n docEvents.touchstart = listeners.pointerDown;\n docEvents.touchmove = listeners.pointerMove;\n docEvents.touchend = listeners.pointerUp;\n docEvents.touchcancel = listeners.pointerUp;\n}\n\ndocEvents.blur = endAll;\n\nfunction onDocSignal ({ doc }, signalName) {\n const eventMethod = signalName.indexOf('add') === 0\n ? events.add : events.remove;\n\n // delegate event listener\n for (const eventType in scope.delegatedEvents) {\n eventMethod(doc, eventType, events.delegateListener);\n eventMethod(doc, eventType, events.delegateUseCapture, true);\n }\n\n for (const eventType in docEvents) {\n eventMethod(doc, eventType, docEvents[eventType]);\n }\n}\n\nsignals.on('update-pointer-down', ({ interaction, pointer, pointerId, pointerIndex, event, eventTarget, down }) => {\n interaction.pointerIds[pointerIndex] = pointerId;\n interaction.pointers[pointerIndex] = pointer;\n\n if (down) {\n interaction.pointerIsDown = true;\n }\n\n if (!interaction.interacting()) {\n utils.setCoords(interaction.startCoords, interaction.pointers);\n\n utils.copyCoords(interaction.curCoords , interaction.startCoords);\n utils.copyCoords(interaction.prevCoords, interaction.startCoords);\n\n interaction.downEvent = event;\n interaction.downTimes[pointerIndex] = interaction.curCoords.timeStamp;\n interaction.downTargets[pointerIndex] = eventTarget || event && utils.getEventTargets(event)[0];\n interaction.pointerWasMoved = false;\n\n utils.pointerExtend(interaction.downPointer, pointer);\n }\n});\n\nscope.signals.on('add-document' , onDocSignal);\nscope.signals.on('remove-document', onDocSignal);\n\nInteraction.pointerMoveTolerance = 1;\nInteraction.doOnInteractions = doOnInteractions;\nInteraction.endAll = endAll;\nInteraction.signals = signals;\nInteraction.docEvents = docEvents;\n\nscope.endAllInteractions = endAll;\n\nmodule.exports = Interaction;\n","const Interaction = require('../Interaction');\nconst InteractEvent = require('../InteractEvent');\n\nconst actions = {\n firePrepared,\n names: [],\n methodDict: {},\n};\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n interaction._interacting = true;\n firePrepared(interaction, event, 'start');\n});\n\nInteraction.signals.on('action-move', function ({ interaction, event, preEnd }) {\n firePrepared(interaction, event, 'move', preEnd);\n\n // if the action was ended in a listener\n if (!interaction.interacting()) { return false; }\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n firePrepared(interaction, event, 'end');\n});\n\nfunction firePrepared (interaction, event, phase, preEnd) {\n const actionName = interaction.prepared.name;\n\n const newEvent = new InteractEvent(interaction, event, actionName, phase, interaction.element, null, preEnd);\n\n interaction.target.fire(newEvent);\n interaction.prevEvent = newEvent;\n}\n\nmodule.exports = actions;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drag = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n startAxis : 'xy',\n lockAxis : 'xy',\n },\n\n checker: function (pointer, event, interactable) {\n const dragOptions = interactable.options.drag;\n\n return dragOptions.enabled\n ? { name: 'drag', axis: (dragOptions.lockAxis === 'start'\n ? dragOptions.startAxis\n : dragOptions.lockAxis)}\n : null;\n },\n\n getCursor: function () {\n return 'move';\n },\n};\n\nInteraction.signals.on('before-action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n interaction.curCoords.page.y = interaction.startCoords.page.y;\n interaction.curCoords.client.y = interaction.startCoords.client.y;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vx);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vx);\n interaction.pointerDelta.client.vy = 0;\n interaction.pointerDelta.page.vy = 0;\n }\n else if (axis === 'y') {\n interaction.curCoords.page.x = interaction.startCoords.page.x;\n interaction.curCoords.client.x = interaction.startCoords.client.x;\n\n interaction.pointerDelta.page.speed = Math.abs(interaction.pointerDelta.page.vy);\n interaction.pointerDelta.client.speed = Math.abs(interaction.pointerDelta.client.vy);\n interaction.pointerDelta.client.vx = 0;\n interaction.pointerDelta.page.vx = 0;\n }\n});\n\n// dragmove\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'dragmove') { return; }\n\n const axis = interaction.prepared.axis;\n\n if (axis === 'x') {\n iEvent.pageY = interaction.startCoords.page.y;\n iEvent.clientY = interaction.startCoords.client.y;\n iEvent.dy = 0;\n }\n else if (axis === 'y') {\n iEvent.pageX = interaction.startCoords.page.x;\n iEvent.clientX = interaction.startCoords.client.x;\n iEvent.dx = 0;\n }\n});\n\n/*\\\n * Interactable.draggable\n [ method ]\n *\n * Gets or sets whether drag actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of drag events\n | var isDraggable = interact('ul li').draggable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on drag events (object makes the Interactable draggable)\n = (object) This Interactable\n | interact(element).draggable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // the axis in which the first movement must be\n | // for the drag sequence to start\n | // 'xy' by default - any direction\n | startAxis: 'x' || 'y' || 'xy',\n |\n | // 'xy' by default - don't restrict to one axis (move in any direction)\n | // 'x' or 'y' to restrict movement to either axis\n | // 'start' to restrict movement to the axis the drag started in\n | lockAxis: 'x' || 'y' || 'xy' || 'start',\n |\n | // max number of drags that can happen concurrently\n | // with elements of this Interactable. Infinity by default\n | max: Infinity,\n |\n | // max number of drags that can target the same element+Interactable\n | // 1 by default\n | maxPerElement: 2\n | });\n\\*/\nInteractable.prototype.draggable = function (options) {\n if (utils.is.object(options)) {\n this.options.drag.enabled = options.enabled === false? false: true;\n this.setPerAction('drag', options);\n this.setOnEvents('drag', options);\n\n if (/^(xy|x|y|start)$/.test(options.lockAxis)) {\n this.options.drag.lockAxis = options.lockAxis;\n }\n if (/^(xy|x|y)$/.test(options.startAxis)) {\n this.options.drag.startAxis = options.startAxis;\n }\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drag.enabled = options;\n\n if (!options) {\n this.ondragstart = this.ondragstart = this.ondragend = null;\n }\n\n return this;\n }\n\n return this.options.drag;\n};\n\nactions.drag = drag;\nactions.names.push('drag');\nutils.merge(Interactable.eventTypes, [\n 'dragstart',\n 'dragmove',\n 'draginertiastart',\n 'draginertiaresume',\n 'dragend',\n]);\nactions.methodDict.drag = 'draggable';\n\ndefaultOptions.drag = drag.defaults;\n\nmodule.exports = drag;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst scope = require('../scope');\nconst interact = require('../interact');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst drop = {\n defaults: {\n enabled: false,\n accept : null,\n overlap: 'pointer',\n },\n};\n\nlet dynamicDrop = false;\n\nInteraction.signals.on('action-start', function ({ interaction, event }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // reset active dropzones\n interaction.activeDrops.dropzones = [];\n interaction.activeDrops.elements = [];\n interaction.activeDrops.rects = [];\n\n interaction.dropEvents = null;\n\n if (!interaction.dynamicDrop) {\n setActiveDrops(interaction, interaction.element);\n }\n\n const dragEvent = interaction.prevEvent;\n const dropEvents = getDropEvents(interaction, event, dragEvent);\n\n if (dropEvents.activate) {\n fireActiveDrops(interaction, dropEvents.activate);\n }\n});\n\nInteractEvent.signals.on('new', function ({ interaction, iEvent, event }) {\n if (iEvent.type !== 'dragmove' && iEvent.type !== 'dragend') { return; }\n\n const draggableElement = interaction.element;\n const dragEvent = iEvent;\n const dropResult = getDrop(dragEvent, event, draggableElement);\n\n interaction.dropTarget = dropResult.dropzone;\n interaction.dropElement = dropResult.element;\n\n interaction.dropEvents = getDropEvents(interaction, event, dragEvent);\n});\n\nInteraction.signals.on('action-move', function ({ interaction }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n fireDropEvents(interaction, interaction.dropEvents);\n});\n\nInteraction.signals.on('action-end', function ({ interaction }) {\n if (interaction.prepared.name === 'drag') {\n fireDropEvents(interaction, interaction.dropEvents);\n }\n});\n\nInteraction.signals.on('stop-drag', function ({ interaction }) {\n interaction.activeDrops.dropzones =\n interaction.activeDrops.elements =\n interaction.activeDrops.rects =\n interaction.dropEvents = null;\n});\n\nfunction collectDrops (interaction, element) {\n const drops = [];\n const elements = [];\n\n element = element || interaction.element;\n\n // collect all dropzones and their elements which qualify for a drop\n for (const current of scope.interactables) {\n if (!current.options.drop.enabled) { continue; }\n\n const accept = current.options.drop.accept;\n\n // test the draggable element against the dropzone's accept setting\n if ((utils.is.element(accept) && accept !== element)\n || (utils.is.string(accept)\n && !utils.matchesSelector(element, accept))) {\n\n continue;\n }\n\n // query for new elements if necessary\n const dropElements = utils.is.string(current.target)\n ? current._context.querySelectorAll(current.target)\n : [current.target];\n\n for (let i = 0; i < dropElements.length; i++) {\n const currentElement = dropElements[i];\n\n if (currentElement !== element) {\n drops.push(current);\n elements.push(currentElement);\n }\n }\n }\n\n return {\n elements,\n dropzones: drops,\n };\n}\n\nfunction fireActiveDrops (interaction, event) {\n let prevElement;\n\n // loop through all active dropzones and trigger event\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n const current = interaction.activeDrops.dropzones[i];\n const currentElement = interaction.activeDrops.elements [i];\n\n // prevent trigger of duplicate events on same element\n if (currentElement !== prevElement) {\n // set current element as event target\n event.target = currentElement;\n current.fire(event);\n }\n prevElement = currentElement;\n }\n}\n\n// Collect a new set of possible drops and save them in activeDrops.\n// setActiveDrops should always be called when a drag has just started or a\n// drag event happens while dynamicDrop is true\nfunction setActiveDrops (interaction, dragElement) {\n // get dropzones and their elements that could receive the draggable\n const possibleDrops = collectDrops(interaction, dragElement, true);\n\n interaction.activeDrops.dropzones = possibleDrops.dropzones;\n interaction.activeDrops.elements = possibleDrops.elements;\n interaction.activeDrops.rects = [];\n\n for (let i = 0; i < interaction.activeDrops.dropzones.length; i++) {\n interaction.activeDrops.rects[i] =\n interaction.activeDrops.dropzones[i].getRect(interaction.activeDrops.elements[i]);\n }\n}\n\nfunction getDrop (dragEvent, event, dragElement) {\n const interaction = dragEvent.interaction;\n const validDrops = [];\n\n if (dynamicDrop) {\n setActiveDrops(interaction, dragElement);\n }\n\n // collect all dropzones and their elements which qualify for a drop\n for (let j = 0; j < interaction.activeDrops.dropzones.length; j++) {\n const current = interaction.activeDrops.dropzones[j];\n const currentElement = interaction.activeDrops.elements [j];\n const rect = interaction.activeDrops.rects [j];\n\n validDrops.push(current.dropCheck(dragEvent, event, interaction.target, dragElement, currentElement, rect)\n ? currentElement\n : null);\n }\n\n // get the most appropriate dropzone based on DOM depth and order\n const dropIndex = utils.indexOfDeepestElement(validDrops);\n\n return {\n dropzone: interaction.activeDrops.dropzones[dropIndex] || null,\n element : interaction.activeDrops.elements [dropIndex] || null,\n };\n}\n\nfunction getDropEvents (interaction, pointerEvent, dragEvent) {\n const dropEvents = {\n enter : null,\n leave : null,\n activate : null,\n deactivate: null,\n move : null,\n drop : null,\n };\n\n const tmpl = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n };\n\n if (interaction.dropElement !== interaction.prevDropElement) {\n // if there was a prevDropTarget, create a dragleave event\n if (interaction.prevDropTarget) {\n dropEvents.leave = utils.extend({ type: 'dragleave' }, tmpl);\n\n dragEvent.dragLeave = dropEvents.leave.target = interaction.prevDropElement;\n dragEvent.prevDropzone = dropEvents.leave.dropzone = interaction.prevDropTarget;\n }\n // if the dropTarget is not null, create a dragenter event\n if (interaction.dropTarget) {\n dropEvents.enter = {\n dragEvent,\n interaction,\n target : interaction.dropElement,\n dropzone : interaction.dropTarget,\n relatedTarget: dragEvent.target,\n draggable : dragEvent.interactable,\n timeStamp : dragEvent.timeStamp,\n type : 'dragenter',\n };\n\n dragEvent.dragEnter = interaction.dropElement;\n dragEvent.dropzone = interaction.dropTarget;\n }\n }\n\n if (dragEvent.type === 'dragend' && interaction.dropTarget) {\n dropEvents.drop = utils.extend({ type: 'drop' }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n dragEvent.relatedTarget = interaction.dropElement;\n }\n if (dragEvent.type === 'dragstart') {\n dropEvents.activate = utils.extend({ type: 'dropactivate' }, tmpl);\n\n dropEvents.activate.target = null;\n dropEvents.activate.dropzone = null;\n }\n if (dragEvent.type === 'dragend') {\n dropEvents.deactivate = utils.extend({ type: 'dropdeactivate' }, tmpl);\n\n dropEvents.deactivate.target = null;\n dropEvents.deactivate.dropzone = null;\n }\n if (dragEvent.type === 'dragmove' && interaction.dropTarget) {\n dropEvents.move = utils.extend({\n dragmove : dragEvent,\n type : 'dropmove',\n }, tmpl);\n\n dragEvent.dropzone = interaction.dropTarget;\n }\n\n return dropEvents;\n}\n\nfunction fireDropEvents (interaction, dropEvents) {\n if (dropEvents.leave) { interaction.prevDropTarget.fire(dropEvents.leave); }\n if (dropEvents.move ) { interaction.dropTarget.fire(dropEvents.move ); }\n if (dropEvents.enter) { interaction.dropTarget.fire(dropEvents.enter); }\n if (dropEvents.drop ) { interaction.dropTarget.fire(dropEvents.drop ); }\n if (dropEvents.deactivate) {\n fireActiveDrops(interaction, dropEvents.deactivate);\n }\n\n interaction.prevDropTarget = interaction.dropTarget;\n interaction.prevDropElement = interaction.dropElement;\n}\n\n/*\\\n * Interactable.dropzone\n [ method ]\n *\n * Returns or sets whether elements can be dropped onto this\n * Interactable to trigger drop events\n *\n * Dropzones can receive the following events:\n * - `dropactivate` and `dropdeactivate` when an acceptable drag starts and ends\n * - `dragenter` and `dragleave` when a draggable enters and leaves the dropzone\n * - `dragmove` when a draggable that has entered the dropzone is moved\n * - `drop` when a draggable is dropped into this dropzone\n *\n * Use the `accept` option to allow only elements that match the given CSS\n * selector or element. The value can be:\n *\n * - **an Element** - only that element can be dropped into this dropzone.\n * - **a string**, - the element being dragged must match it as a CSS selector.\n * - **`null`** - accept options is cleared - it accepts any element.\n *\n * Use the `overlap` option to set how drops are checked for. The allowed\n * values are:\n *\n * - `'pointer'`, the pointer must be over the dropzone (default)\n * - `'center'`, the draggable element's center must be over the dropzone\n * - a number from 0-1 which is the `(intersection area) / (draggable area)`.\n * e.g. `0.5` for drop to happen when half of the area of the draggable is\n * over the dropzone\n *\n * Use the `checker` option to specify a function to check if a dragged\n * element is over this Interactable.\n *\n | interact(target)\n | .dropChecker(function(dragEvent, // related dragmove or dragend event\n | event, // TouchEvent/PointerEvent/MouseEvent\n | dropped, // bool result of the default checker\n | dropzone, // dropzone Interactable\n | dropElement, // dropzone elemnt\n | draggable, // draggable Interactable\n | draggableElement) {// draggable element\n |\n | return dropped && event.target.hasAttribute('allow-drop');\n | }\n *\n *\n - options (boolean | object | null) #optional The new value to be set.\n | interact('.drop').dropzone({\n | accept: '.can-drop' || document.getElementById('single-drop'),\n | overlap: 'pointer' || 'center' || zeroToOne\n | }\n = (boolean | object) The current setting or this Interactable\n\\*/\nInteractable.prototype.dropzone = function (options) {\n if (utils.is.object(options)) {\n this.options.drop.enabled = options.enabled === false? false: true;\n\n if (utils.is.function(options.ondrop) ) { this.events.ondrop = options.ondrop ; }\n if (utils.is.function(options.ondropactivate) ) { this.events.ondropactivate = options.ondropactivate ; }\n if (utils.is.function(options.ondropdeactivate)) { this.events.ondropdeactivate = options.ondropdeactivate; }\n if (utils.is.function(options.ondragenter) ) { this.events.ondragenter = options.ondragenter ; }\n if (utils.is.function(options.ondragleave) ) { this.events.ondragleave = options.ondragleave ; }\n if (utils.is.function(options.ondropmove) ) { this.events.ondropmove = options.ondropmove ; }\n\n if (/^(pointer|center)$/.test(options.overlap)) {\n this.options.drop.overlap = options.overlap;\n }\n else if (utils.is.number(options.overlap)) {\n this.options.drop.overlap = Math.max(Math.min(1, options.overlap), 0);\n }\n if ('accept' in options) {\n this.options.drop.accept = options.accept;\n }\n if ('checker' in options) {\n this.options.drop.checker = options.checker;\n }\n\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.drop.enabled = options;\n\n if (!options) {\n this.ondragenter = this.ondragleave = this.ondrop\n = this.ondropactivate = this.ondropdeactivate = null;\n }\n\n return this;\n }\n\n return this.options.drop;\n};\n\nInteractable.prototype.dropCheck = function (dragEvent, event, draggable, draggableElement, dropElement, rect) {\n let dropped = false;\n\n // if the dropzone has no rect (eg. display: none)\n // call the custom dropChecker or just return false\n if (!(rect = rect || this.getRect(dropElement))) {\n return (this.options.drop.checker\n ? this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement)\n : false);\n }\n\n const dropOverlap = this.options.drop.overlap;\n\n if (dropOverlap === 'pointer') {\n const origin = utils.getOriginXY(draggable, draggableElement, 'drag');\n const page = utils.getPageXY(dragEvent);\n\n page.x += origin.x;\n page.y += origin.y;\n\n const horizontal = (page.x > rect.left) && (page.x < rect.right);\n const vertical = (page.y > rect.top ) && (page.y < rect.bottom);\n\n dropped = horizontal && vertical;\n }\n\n const dragRect = draggable.getRect(draggableElement);\n\n if (dragRect && dropOverlap === 'center') {\n const cx = dragRect.left + dragRect.width / 2;\n const cy = dragRect.top + dragRect.height / 2;\n\n dropped = cx >= rect.left && cx <= rect.right && cy >= rect.top && cy <= rect.bottom;\n }\n\n if (dragRect && utils.is.number(dropOverlap)) {\n const overlapArea = (Math.max(0, Math.min(rect.right , dragRect.right ) - Math.max(rect.left, dragRect.left))\n * Math.max(0, Math.min(rect.bottom, dragRect.bottom) - Math.max(rect.top , dragRect.top )));\n\n const overlapRatio = overlapArea / (dragRect.width * dragRect.height);\n\n dropped = overlapRatio >= dropOverlap;\n }\n\n if (this.options.drop.checker) {\n dropped = this.options.drop.checker(dragEvent, event, dropped, this, dropElement, draggable, draggableElement);\n }\n\n return dropped;\n};\n\nInteractable.signals.on('unset', function ({ interactable }) {\n interactable.dropzone(false);\n});\n\nInteractable.settingsMethods.push('dropChecker');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.dropTarget = null; // the dropzone a drag target might be dropped into\n interaction.dropElement = null; // the element at the time of checking\n interaction.prevDropTarget = null; // the dropzone that was recently dragged away from\n interaction.prevDropElement = null; // the element at the time of checking\n interaction.dropEvents = null; // the dropEvents related to the current drag event\n\n interaction.activeDrops = {\n dropzones: [], // the dropzones that are mentioned below\n elements : [], // elements of dropzones that accept the target draggable\n rects : [], // the rects of the elements mentioned above\n };\n\n});\n\nInteraction.signals.on('stop', function ({ interaction }) {\n interaction.dropTarget = interaction.dropElement =\n interaction.prevDropTarget = interaction.prevDropElement = null;\n});\n\n/*\\\n * interact.dynamicDrop\n [ method ]\n *\n * Returns or sets whether the dimensions of dropzone elements are\n * calculated on every dragmove or only on dragstart for the default\n * dropChecker\n *\n - newValue (boolean) #optional True to check on each move. False to check only before start\n = (boolean | interact) The current setting or interact\n\\*/\ninteract.dynamicDrop = function (newValue) {\n if (utils.is.bool(newValue)) {\n //if (dragging && dynamicDrop !== newValue && !newValue) {\n //calcRects(dropzones);\n //}\n\n dynamicDrop = newValue;\n\n return interact;\n }\n return dynamicDrop;\n};\n\nutils.merge(Interactable.eventTypes, [\n 'dragenter',\n 'dragleave',\n 'dropactivate',\n 'dropdeactivate',\n 'dropmove',\n 'drop',\n]);\nactions.methodDict.drop = 'dropzone';\n\ndefaultOptions.drop = drop.defaults;\n\nmodule.exports = drop;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\nconst gesture = {\n defaults: {\n enabled : false,\n origin : null,\n restrict: null,\n },\n\n checker: function (pointer, event, interactable, element, interaction) {\n if (interaction.pointerIds.length >= 2) {\n return { name: 'gesture' };\n }\n\n return null;\n },\n\n getCursor: function () {\n return '';\n },\n};\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturestart') { return; }\n iEvent.ds = 0;\n\n interaction.gesture.startDistance = interaction.gesture.prevDistance = iEvent.distance;\n interaction.gesture.startAngle = interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.scale = 1;\n});\n\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'gesturemove') { return; }\n\n iEvent.ds = iEvent.scale - interaction.gesture.scale;\n\n interaction.target.fire(iEvent);\n\n interaction.gesture.prevAngle = iEvent.angle;\n interaction.gesture.prevDistance = iEvent.distance;\n\n if (iEvent.scale !== Infinity\n && iEvent.scale !== null\n && iEvent.scale !== undefined\n && !isNaN(iEvent.scale)) {\n\n interaction.gesture.scale = iEvent.scale;\n }\n});\n\n/*\\\n * Interactable.gesturable\n [ method ]\n *\n * Gets or sets whether multitouch gestures can be performed on the\n * Interactable's element\n *\n = (boolean) Indicates if this can be the target of gesture events\n | var isGestureable = interact(element).gesturable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on gesture events (makes the Interactable gesturable)\n = (object) this Interactable\n | interact(element).gesturable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | // limit multiple gestures.\n | // See the explanation in @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n\\*/\nInteractable.prototype.gesturable = function (options) {\n if (utils.is.object(options)) {\n this.options.gesture.enabled = options.enabled === false? false: true;\n this.setPerAction('gesture', options);\n this.setOnEvents('gesture', options);\n\n return this;\n }\n\n if (utils.is.bool(options)) {\n this.options.gesture.enabled = options;\n\n if (!options) {\n this.ongesturestart = this.ongesturestart = this.ongestureend = null;\n }\n\n return this;\n }\n\n return this.options.gesture;\n};\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action, event, starting, ending, deltaSource }) {\n if (action !== 'gesture') { return; }\n\n const pointers = interaction.pointers;\n\n iEvent.touches = [pointers[0], pointers[1]];\n\n if (starting) {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = 1;\n iEvent.ds = 0;\n iEvent.angle = utils.touchAngle(pointers, undefined, deltaSource);\n iEvent.da = 0;\n }\n else if (ending || event instanceof InteractEvent) {\n iEvent.distance = interaction.prevEvent.distance;\n iEvent.box = interaction.prevEvent.box;\n iEvent.scale = interaction.prevEvent.scale;\n iEvent.ds = iEvent.scale - 1;\n iEvent.angle = interaction.prevEvent.angle;\n iEvent.da = iEvent.angle - interaction.gesture.startAngle;\n }\n else {\n iEvent.distance = utils.touchDistance(pointers, deltaSource);\n iEvent.box = utils.touchBBox(pointers);\n iEvent.scale = iEvent.distance / interaction.gesture.startDistance;\n iEvent.angle = utils.touchAngle(pointers, interaction.gesture.prevAngle, deltaSource);\n\n iEvent.ds = iEvent.scale - interaction.gesture.prevScale;\n iEvent.da = iEvent.angle - interaction.gesture.prevAngle;\n }\n});\n\nInteraction.signals.on('new', function (interaction) {\n interaction.gesture = {\n start: { x: 0, y: 0 },\n\n startDistance: 0, // distance between two touches of touchStart\n prevDistance : 0,\n distance : 0,\n\n scale: 1, // gesture.distance / gesture.startDistance\n\n startAngle: 0, // angle of line joining two touches\n prevAngle : 0, // angle of the previous gesture event\n };\n});\n\nactions.gesture = gesture;\nactions.names.push('gesture');\nutils.merge(Interactable.eventTypes, [\n 'gesturestart',\n 'gesturemove',\n 'gestureend',\n]);\nactions.methodDict.gesture = 'gesturable';\n\ndefaultOptions.gesture = gesture.defaults;\n\nmodule.exports = gesture;\n","const actions = require('./base');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst InteractEvent = require('../InteractEvent');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst defaultOptions = require('../defaultOptions');\n\n// Less Precision with touch input\nconst defaultMargin = browser.supportsTouch || browser.supportsPointerEvent? 20: 10;\n\nconst resize = {\n defaults: {\n enabled : false,\n mouseButtons: null,\n\n origin : null,\n snap : null,\n restrict : null,\n inertia : null,\n autoScroll: null,\n\n square: false,\n preserveAspectRatio: false,\n axis: 'xy',\n\n // use default margin\n margin: NaN,\n\n // object with props left, right, top, bottom which are\n // true/false values to resize when the pointer is over that edge,\n // CSS selectors to match the handles for each direction\n // or the Elements for each handle\n edges: null,\n\n // a value of 'none' will limit the resize rect to a minimum of 0x0\n // 'negate' will alow the rect to have negative width/height\n // 'reposition' will keep the width/height positive by swapping\n // the top and bottom edges and/or swapping the left and right edges\n invert: 'none',\n },\n\n checker: function (pointer, event, interactable, element, interaction, rect) {\n if (!rect) { return null; }\n\n const page = utils.extend({}, interaction.curCoords.page);\n const options = interactable.options;\n\n if (options.resize.enabled) {\n const resizeOptions = options.resize;\n const resizeEdges = { left: false, right: false, top: false, bottom: false };\n\n // if using resize.edges\n if (utils.is.object(resizeOptions.edges)) {\n for (const edge in resizeEdges) {\n resizeEdges[edge] = checkResizeEdge(edge,\n resizeOptions.edges[edge],\n page,\n interaction._eventTarget,\n element,\n rect,\n resizeOptions.margin || defaultMargin);\n }\n\n resizeEdges.left = resizeEdges.left && !resizeEdges.right;\n resizeEdges.top = resizeEdges.top && !resizeEdges.bottom;\n\n if (resizeEdges.left || resizeEdges.right || resizeEdges.top || resizeEdges.bottom) {\n return {\n name: 'resize',\n edges: resizeEdges,\n };\n }\n }\n else {\n const right = options.resize.axis !== 'y' && page.x > (rect.right - defaultMargin);\n const bottom = options.resize.axis !== 'x' && page.y > (rect.bottom - defaultMargin);\n\n if (right || bottom) {\n return {\n name: 'resize',\n axes: (right? 'x' : '') + (bottom? 'y' : ''),\n };\n }\n }\n }\n\n return null;\n },\n\n cursors: (browser.isIe9OrOlder ? {\n x : 'e-resize',\n y : 's-resize',\n xy: 'se-resize',\n\n top : 'n-resize',\n left : 'w-resize',\n bottom : 's-resize',\n right : 'e-resize',\n topleft : 'se-resize',\n bottomright: 'se-resize',\n topright : 'ne-resize',\n bottomleft : 'ne-resize',\n } : {\n x : 'ew-resize',\n y : 'ns-resize',\n xy: 'nwse-resize',\n\n top : 'ns-resize',\n left : 'ew-resize',\n bottom : 'ns-resize',\n right : 'ew-resize',\n topleft : 'nwse-resize',\n bottomright: 'nwse-resize',\n topright : 'nesw-resize',\n bottomleft : 'nesw-resize',\n }),\n\n getCursor: function (action) {\n if (action.axis) {\n return resize.cursors[action.name + action.axis];\n }\n else if (action.edges) {\n let cursorKey = '';\n const edgeNames = ['top', 'bottom', 'left', 'right'];\n\n for (let i = 0; i < 4; i++) {\n if (action.edges[edgeNames[i]]) {\n cursorKey += edgeNames[i];\n }\n }\n\n return resize.cursors[cursorKey];\n }\n },\n};\n\n// resizestart\nInteractEvent.signals.on('new', function ({ iEvent, interaction }) {\n if (iEvent.type !== 'resizestart' || !interaction.prepared.edges) {\n return;\n }\n\n const startRect = interaction.target.getRect(interaction.element);\n const resizeOptions = interaction.target.options.resize;\n\n /*\n * When using the `resizable.square` or `resizable.preserveAspectRatio` options, resizing from one edge\n * will affect another. E.g. with `resizable.square`, resizing to make the right edge larger will make\n * the bottom edge larger by the same amount. We call these 'linked' edges. Any linked edges will depend\n * on the active edges and the edge being interacted with.\n */\n if (resizeOptions.square || resizeOptions.preserveAspectRatio) {\n const linkedEdges = utils.extend({}, interaction.prepared.edges);\n\n linkedEdges.top = linkedEdges.top || (linkedEdges.left && !linkedEdges.bottom);\n linkedEdges.left = linkedEdges.left || (linkedEdges.top && !linkedEdges.right );\n linkedEdges.bottom = linkedEdges.bottom || (linkedEdges.right && !linkedEdges.top );\n linkedEdges.right = linkedEdges.right || (linkedEdges.bottom && !linkedEdges.left );\n\n interaction.prepared._linkedEdges = linkedEdges;\n }\n else {\n interaction.prepared._linkedEdges = null;\n }\n\n // if using `resizable.preserveAspectRatio` option, record aspect ratio at the start of the resize\n if (resizeOptions.preserveAspectRatio) {\n interaction.resizeStartAspectRatio = startRect.width / startRect.height;\n }\n\n interaction.resizeRects = {\n start : startRect,\n current : utils.extend({}, startRect),\n inverted : utils.extend({}, startRect),\n previous : utils.extend({}, startRect),\n delta : {\n left: 0, right : 0, width : 0,\n top : 0, bottom: 0, height: 0,\n },\n };\n\n iEvent.rect = interaction.resizeRects.inverted;\n iEvent.deltaRect = interaction.resizeRects.delta;\n});\n\n// resizemove\nInteractEvent.signals.on('new', function ({ iEvent, phase, interaction }) {\n if (phase !== 'move' || !interaction.prepared.edges) { return; }\n\n const resizeOptions = interaction.target.options.resize;\n const invert = resizeOptions.invert;\n const invertible = invert === 'reposition' || invert === 'negate';\n\n let edges = interaction.prepared.edges;\n\n const start = interaction.resizeRects.start;\n const current = interaction.resizeRects.current;\n const inverted = interaction.resizeRects.inverted;\n const delta = interaction.resizeRects.delta;\n const previous = utils.extend(interaction.resizeRects.previous, inverted);\n const originalEdges = edges;\n\n let dx = iEvent.dx;\n let dy = iEvent.dy;\n\n if (resizeOptions.preserveAspectRatio || resizeOptions.square) {\n // `resize.preserveAspectRatio` takes precedence over `resize.square`\n const startAspectRatio = resizeOptions.preserveAspectRatio\n ? interaction.resizeStartAspectRatio\n : 1;\n\n edges = interaction.prepared._linkedEdges;\n\n if ((originalEdges.left && originalEdges.bottom)\n || (originalEdges.right && originalEdges.top)) {\n dy = -dx / startAspectRatio;\n }\n else if (originalEdges.left || originalEdges.right ) { dy = dx / startAspectRatio; }\n else if (originalEdges.top || originalEdges.bottom) { dx = dy * startAspectRatio; }\n }\n\n // update the 'current' rect without modifications\n if (edges.top ) { current.top += dy; }\n if (edges.bottom) { current.bottom += dy; }\n if (edges.left ) { current.left += dx; }\n if (edges.right ) { current.right += dx; }\n\n if (invertible) {\n // if invertible, copy the current rect\n utils.extend(inverted, current);\n\n if (invert === 'reposition') {\n // swap edge values if necessary to keep width/height positive\n let swap;\n\n if (inverted.top > inverted.bottom) {\n swap = inverted.top;\n\n inverted.top = inverted.bottom;\n inverted.bottom = swap;\n }\n if (inverted.left > inverted.right) {\n swap = inverted.left;\n\n inverted.left = inverted.right;\n inverted.right = swap;\n }\n }\n }\n else {\n // if not invertible, restrict to minimum of 0x0 rect\n inverted.top = Math.min(current.top, start.bottom);\n inverted.bottom = Math.max(current.bottom, start.top);\n inverted.left = Math.min(current.left, start.right);\n inverted.right = Math.max(current.right, start.left);\n }\n\n inverted.width = inverted.right - inverted.left;\n inverted.height = inverted.bottom - inverted.top ;\n\n for (const edge in inverted) {\n delta[edge] = inverted[edge] - previous[edge];\n }\n\n iEvent.edges = interaction.prepared.edges;\n iEvent.rect = inverted;\n iEvent.deltaRect = delta;\n});\n\n/*\\\n * Interactable.resizable\n [ method ]\n *\n * Gets or sets whether resize actions can be performed on the\n * Interactable\n *\n = (boolean) Indicates if this can be the target of resize elements\n | var isResizeable = interact('input[type=text]').resizable();\n * or\n - options (boolean | object) #optional true/false or An object with event listeners to be fired on resize events (object makes the Interactable resizable)\n = (object) This Interactable\n | interact(element).resizable({\n | onstart: function (event) {},\n | onmove : function (event) {},\n | onend : function (event) {},\n |\n | edges: {\n | top : true, // Use pointer coords to check for resize.\n | left : false, // Disable resizing from left edge.\n | bottom: '.resize-s',// Resize if pointer target matches selector\n | right : handleEl // Resize if pointer target is the given Element\n | },\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height are adjusted at a 1:1 ratio.\n | square: false,\n |\n | // Width and height can be adjusted independently. When `true`, width and\n | // height maintain the aspect ratio they had when resizing started.\n | preserveAspectRatio: false,\n |\n | // a value of 'none' will limit the resize rect to a minimum of 0x0\n | // 'negate' will allow the rect to have negative width/height\n | // 'reposition' will keep the width/height positive by swapping\n | // the top and bottom edges and/or swapping the left and right edges\n | invert: 'none' || 'negate' || 'reposition'\n |\n | // limit multiple resizes.\n | // See the explanation in the @Interactable.draggable example\n | max: Infinity,\n | maxPerElement: 1,\n | });\n \\*/\nInteractable.prototype.resizable = function (options) {\n if (utils.is.object(options)) {\n this.options.resize.enabled = options.enabled === false? false: true;\n this.setPerAction('resize', options);\n this.setOnEvents('resize', options);\n\n if (/^x$|^y$|^xy$/.test(options.axis)) {\n this.options.resize.axis = options.axis;\n }\n else if (options.axis === null) {\n this.options.resize.axis = defaultOptions.resize.axis;\n }\n\n if (utils.is.bool(options.preserveAspectRatio)) {\n this.options.resize.preserveAspectRatio = options.preserveAspectRatio;\n }\n else if (utils.is.bool(options.square)) {\n this.options.resize.square = options.square;\n }\n\n return this;\n }\n if (utils.is.bool(options)) {\n this.options.resize.enabled = options;\n\n if (!options) {\n this.onresizestart = this.onresizestart = this.onresizeend = null;\n }\n\n return this;\n }\n return this.options.resize;\n};\n\nfunction checkResizeEdge (name, value, page, element, interactableElement, rect, margin) {\n // false, '', undefined, null\n if (!value) { return false; }\n\n // true value, use pointer coords and element rect\n if (value === true) {\n // if dimensions are negative, \"switch\" edges\n const width = utils.is.number(rect.width )? rect.width : rect.right - rect.left;\n const height = utils.is.number(rect.height)? rect.height : rect.bottom - rect.top ;\n\n if (width < 0) {\n if (name === 'left' ) { name = 'right'; }\n else if (name === 'right') { name = 'left' ; }\n }\n if (height < 0) {\n if (name === 'top' ) { name = 'bottom'; }\n else if (name === 'bottom') { name = 'top' ; }\n }\n\n if (name === 'left' ) { return page.x < ((width >= 0? rect.left: rect.right ) + margin); }\n if (name === 'top' ) { return page.y < ((height >= 0? rect.top : rect.bottom) + margin); }\n\n if (name === 'right' ) { return page.x > ((width >= 0? rect.right : rect.left) - margin); }\n if (name === 'bottom') { return page.y > ((height >= 0? rect.bottom: rect.top ) - margin); }\n }\n\n // the remaining checks require an element\n if (!utils.is.element(element)) { return false; }\n\n return utils.is.element(value)\n // the value is an element to use as a resize handle\n ? value === element\n // otherwise check if element matches value as selector\n : utils.matchesUpTo(element, value, interactableElement);\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.resizeAxes = 'xy';\n});\n\nInteractEvent.signals.on('set-delta', function ({ interaction, iEvent, action }) {\n if (action !== 'resize' || !interaction.resizeAxes) { return; }\n\n const options = interaction.target.options;\n\n if (options.resize.square) {\n if (interaction.resizeAxes === 'y') {\n iEvent.dx = iEvent.dy;\n }\n else {\n iEvent.dy = iEvent.dx;\n }\n iEvent.axes = 'xy';\n }\n else {\n iEvent.axes = interaction.resizeAxes;\n\n if (interaction.resizeAxes === 'x') {\n iEvent.dy = 0;\n }\n else if (interaction.resizeAxes === 'y') {\n iEvent.dx = 0;\n }\n }\n});\n\nactions.resize = resize;\nactions.names.push('resize');\nutils.merge(Interactable.eventTypes, [\n 'resizestart',\n 'resizemove',\n 'resizeinertiastart',\n 'resizeinertiaresume',\n 'resizeend',\n]);\nactions.methodDict.resize = 'resizable';\n\ndefaultOptions.resize = resize.defaults;\n\nmodule.exports = resize;\n","const raf = require('./utils/raf');\nconst getWindow = require('./utils/window').getWindow;\nconst is = require('./utils/is');\nconst domUtils = require('./utils/domUtils');\nconst Interaction = require('./Interaction');\nconst defaultOptions = require('./defaultOptions');\n\nconst autoScroll = {\n defaults: {\n enabled : false,\n container: null, // the item that is scrolled (Window or HTMLElement)\n margin : 60,\n speed : 300, // the scroll speed in pixels per second\n },\n\n interaction: null,\n i: null, // the handle returned by window.setInterval\n x: 0, y: 0, // Direction each pulse is to scroll in\n\n isScrolling: false,\n prevTime: 0,\n\n start: function (interaction) {\n autoScroll.isScrolling = true;\n raf.cancel(autoScroll.i);\n\n autoScroll.interaction = interaction;\n autoScroll.prevTime = new Date().getTime();\n autoScroll.i = raf.request(autoScroll.scroll);\n },\n\n stop: function () {\n autoScroll.isScrolling = false;\n raf.cancel(autoScroll.i);\n },\n\n // scroll the window by the values in scroll.x/y\n scroll: function () {\n const options = autoScroll.interaction.target.options[autoScroll.interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(autoScroll.interaction.element);\n const now = new Date().getTime();\n // change in time in seconds\n const dt = (now - autoScroll.prevTime) / 1000;\n // displacement\n const s = options.speed * dt;\n\n if (s >= 1) {\n if (is.window(container)) {\n container.scrollBy(autoScroll.x * s, autoScroll.y * s);\n }\n else if (container) {\n container.scrollLeft += autoScroll.x * s;\n container.scrollTop += autoScroll.y * s;\n }\n\n autoScroll.prevTime = now;\n }\n\n if (autoScroll.isScrolling) {\n raf.cancel(autoScroll.i);\n autoScroll.i = raf.request(autoScroll.scroll);\n }\n },\n check: function (interactable, actionName) {\n const options = interactable.options;\n\n return options[actionName].autoScroll && options[actionName].autoScroll.enabled;\n },\n onInteractionMove: function ({ interaction, pointer }) {\n if (!(interaction.interacting()\n && autoScroll.check(interaction.target, interaction.prepared.name))) {\n return;\n }\n\n if (interaction.simulation) {\n autoScroll.x = autoScroll.y = 0;\n return;\n }\n\n let top;\n let right;\n let bottom;\n let left;\n\n const options = interaction.target.options[interaction.prepared.name].autoScroll;\n const container = options.container || getWindow(interaction.element);\n\n if (is.window(container)) {\n left = pointer.clientX < autoScroll.margin;\n top = pointer.clientY < autoScroll.margin;\n right = pointer.clientX > container.innerWidth - autoScroll.margin;\n bottom = pointer.clientY > container.innerHeight - autoScroll.margin;\n }\n else {\n const rect = domUtils.getElementClientRect(container);\n\n left = pointer.clientX < rect.left + autoScroll.margin;\n top = pointer.clientY < rect.top + autoScroll.margin;\n right = pointer.clientX > rect.right - autoScroll.margin;\n bottom = pointer.clientY > rect.bottom - autoScroll.margin;\n }\n\n autoScroll.x = (right ? 1: left? -1: 0);\n autoScroll.y = (bottom? 1: top? -1: 0);\n\n if (!autoScroll.isScrolling) {\n // set the autoScroll properties to those of the target\n autoScroll.margin = options.margin;\n autoScroll.speed = options.speed;\n\n autoScroll.start(interaction);\n }\n },\n};\n\nInteraction.signals.on('stop-active', function () {\n autoScroll.stop();\n});\n\nInteraction.signals.on('action-move', autoScroll.onInteractionMove);\n\ndefaultOptions.perAction.autoScroll = autoScroll.defaults;\n\nmodule.exports = autoScroll;\n","const Interactable = require('../Interactable');\nconst actions = require('../actions/base');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.ignoreFrom\n [ method ]\n *\n * If the target of the `mousedown`, `pointerdown` or `touchstart`\n * event or any of it's parents match the given CSS selector or\n * Element, no drag/resize/gesture is started.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to not ignore any elements\n = (string | Element | object) The current ignoreFrom value or this Interactable\n **\n | interact(element, { ignoreFrom: document.getElementById('no-action') });\n | // or\n | interact(element).ignoreFrom('input, textarea, a');\n\\*/\nInteractable.prototype.ignoreFrom = function (newValue) {\n return this._backCompatOption('ignoreFrom', newValue);\n};\n\n/*\\\n * Interactable.allowFrom\n [ method ]\n *\n * A drag/resize/gesture is started only If the target of the\n * `mousedown`, `pointerdown` or `touchstart` event or any of it's\n * parents match the given CSS selector or Element.\n *\n - newValue (string | Element | null) #optional a CSS selector string, an Element or `null` to allow from any element\n = (string | Element | object) The current allowFrom value or this Interactable\n **\n | interact(element, { allowFrom: document.getElementById('drag-handle') });\n | // or\n | interact(element).allowFrom('.handle');\n\\*/\nInteractable.prototype.allowFrom = function (newValue) {\n return this._backCompatOption('allowFrom', newValue);\n};\n\nInteractable.prototype.testIgnore = function (ignoreFrom, interactableElement, element) {\n if (!ignoreFrom || !is.element(element)) { return false; }\n\n if (is.string(ignoreFrom)) {\n return domUtils.matchesUpTo(element, ignoreFrom, interactableElement);\n }\n else if (is.element(ignoreFrom)) {\n return domUtils.nodeContains(ignoreFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testAllow = function (allowFrom, interactableElement, element) {\n if (!allowFrom) { return true; }\n\n if (!is.element(element)) { return false; }\n\n if (is.string(allowFrom)) {\n return domUtils.matchesUpTo(element, allowFrom, interactableElement);\n }\n else if (is.element(allowFrom)) {\n return domUtils.nodeContains(allowFrom, element);\n }\n\n return false;\n};\n\nInteractable.prototype.testIgnoreAllow = function (options, interactableElement, eventTarget) {\n return (!this.testIgnore(options.ignoreFrom, interactableElement, eventTarget)\n && this.testAllow(options.allowFrom, interactableElement, eventTarget));\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (event.buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\n","const interact = require('../interact');\nconst Interactable = require('../Interactable');\nconst Interaction = require('../Interaction');\nconst actions = require('../actions/base');\nconst defaultOptions = require('../defaultOptions');\nconst browser = require('../utils/browser');\nconst scope = require('../scope');\nconst utils = require('../utils');\nconst signals = require('../utils/Signals').new();\n\nrequire('./InteractableMethods');\n\nconst autoStart = {\n signals,\n withinInteractionLimit,\n // Allow this many interactions to happen simultaneously\n maxInteractions: Infinity,\n defaults: {\n perAction: {\n manualStart: false,\n max: Infinity,\n maxPerElement: 1,\n allowFrom: null,\n ignoreFrom: null,\n },\n },\n setActionDefaults: function (action) {\n utils.extend(action.defaults, autoStart.defaults.perAction);\n },\n};\n\n// set cursor style on mousedown\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget }) {\n if (interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\n// set cursor style on mousemove\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget }) {\n if (!interaction.mouse\n || interaction.pointerIsDown\n || interaction.interacting()) { return; }\n\n const actionInfo = getActionInfo(interaction, pointer, event, eventTarget);\n prepare(interaction, actionInfo);\n});\n\nInteraction.signals.on('move', function (arg) {\n const { interaction, event } = arg;\n\n if (!interaction.pointerIsDown\n || interaction.interacting()\n || !interaction.pointerWasMoved\n || !interaction.prepared.name) {\n return;\n }\n\n signals.fire('before-start', arg);\n\n const target = interaction.target;\n\n if (interaction.prepared.name && target) {\n // check manualStart and interaction limit\n if (target.options[interaction.prepared.name].manualStart\n || !withinInteractionLimit(target, interaction.element, interaction.prepared)) {\n interaction.stop(event);\n }\n else {\n interaction.start(interaction.prepared, target, interaction.element);\n }\n }\n});\n\n// Check if the current target supports the action.\n// If so, return the validated action. Otherwise, return null\nfunction validateAction (action, interactable, element, eventTarget) {\n if (utils.is.object(action)\n && interactable.testIgnoreAllow(interactable.options[action.name], element, eventTarget)\n && interactable.options[action.name].enabled\n && withinInteractionLimit(interactable, element, action)) {\n return action;\n }\n\n return null;\n}\n\nfunction validateSelector (interaction, pointer, event, matches, matchElements, eventTarget) {\n for (let i = 0, len = matches.length; i < len; i++) {\n const match = matches[i];\n const matchElement = matchElements[i];\n const action = validateAction(match.getAction(pointer, event, interaction, matchElement),\n match,\n matchElement,\n eventTarget);\n\n if (action) {\n return {\n action,\n target: match,\n element: matchElement,\n };\n }\n }\n\n return {};\n}\n\nfunction getActionInfo (interaction, pointer, event, eventTarget) {\n let matches = [];\n let matchElements = [];\n\n let element = eventTarget;\n let action = null;\n\n function pushMatches (interactable, selector, context) {\n const elements = (browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined);\n\n if (utils.matchesSelector(element, selector, elements)) {\n\n matches.push(interactable);\n matchElements.push(element);\n }\n }\n\n while (utils.is.element(element)) {\n matches = [];\n matchElements = [];\n\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && (action = validateAction(elementInteractable.getAction(pointer, event, interaction, element, eventTarget),\n elementInteractable,\n element,\n eventTarget))\n && !elementInteractable.options[action.name].manualStart) {\n return {\n element,\n action,\n target: elementInteractable,\n };\n }\n else {\n scope.interactables.forEachSelector(pushMatches, element);\n\n const actionInfo = validateSelector(interaction, pointer, event, matches, matchElements, eventTarget);\n\n if (actionInfo.action\n && !actionInfo.target.options[actionInfo.action.name].manualStart) {\n return actionInfo;\n }\n }\n\n element = utils.parentNode(element);\n }\n\n return {};\n}\n\nfunction prepare (interaction, { action, target, element }) {\n action = action || {};\n\n if (interaction.target && interaction.target.options.styleCursor) {\n interaction.target._doc.documentElement.style.cursor = '';\n }\n\n interaction.target = target;\n interaction.element = element;\n utils.copyAction(interaction.prepared, action);\n\n if (target && target.options.styleCursor) {\n const cursor = action? actions[action.name].getCursor(action) : '';\n interaction.target._doc.documentElement.style.cursor = cursor;\n }\n\n signals.fire('prepared', { interaction: interaction });\n}\n\nInteraction.signals.on('stop', function ({ interaction }) {\n const target = interaction.target;\n\n if (target && target.options.styleCursor) {\n target._doc.documentElement.style.cursor = '';\n }\n});\n\nInteractable.prototype.getAction = function (pointer, event, interaction, element) {\n const action = this.defaultActionChecker(pointer, event, interaction, element);\n\n if (this.options.actionChecker) {\n return this.options.actionChecker(pointer, event, action, this, element, interaction);\n }\n\n return action;\n};\n\n/*\\\n * Interactable.actionChecker\n [ method ]\n *\n * Gets or sets the function used to check action to be performed on\n * pointerDown\n *\n - checker (function | null) #optional A function which takes a pointer event, defaultAction string, interactable, element and interaction as parameters and returns an object with name property 'drag' 'resize' or 'gesture' and optionally an `edges` object with boolean 'top', 'left', 'bottom' and right props.\n = (Function | Interactable) The checker function or this Interactable\n *\n | interact('.resize-drag')\n | .resizable(true)\n | .draggable(true)\n | .actionChecker(function (pointer, event, action, interactable, element, interaction) {\n |\n | if (interact.matchesSelector(event.target, '.drag-handle') {\n | // force drag with handle target\n | action.name = drag;\n | }\n | else {\n | // resize from the top and right edges\n | action.name = 'resize';\n | action.edges = { top: true, right: true };\n | }\n |\n | return action;\n | });\n\\*/\nInteractable.prototype.actionChecker = function (checker) {\n if (utils.is.function(checker)) {\n this.options.actionChecker = checker;\n\n return this;\n }\n\n if (checker === null) {\n delete this.options.actionChecker;\n\n return this;\n }\n\n return this.options.actionChecker;\n};\n\n/*\\\n * Interactable.styleCursor\n [ method ]\n *\n * Returns or sets whether the the cursor should be changed depending on the\n * action that would be performed if the mouse were pressed and dragged.\n *\n - newValue (boolean) #optional\n = (boolean | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.styleCursor = function (newValue) {\n if (utils.is.bool(newValue)) {\n this.options.styleCursor = newValue;\n\n return this;\n }\n\n if (newValue === null) {\n delete this.options.styleCursor;\n\n return this;\n }\n\n return this.options.styleCursor;\n};\n\nInteractable.prototype.defaultActionChecker = function (pointer, event, interaction, element) {\n const rect = this.getRect(element);\n const buttons = event.buttons || ({\n 0: 1,\n 1: 4,\n 3: 8,\n 4: 16,\n })[event.button];\n let action = null;\n\n for (const actionName of actions.names) {\n // check mouseButton setting if the pointer is down\n if (interaction.pointerIsDown\n && interaction.mouse\n && (buttons & this.options[actionName].mouseButtons) === 0) {\n continue;\n }\n\n action = actions[actionName].checker(pointer, event, this, element, interaction, rect);\n\n if (action) {\n return action;\n }\n }\n};\n\nfunction withinInteractionLimit (interactable, element, action) {\n const options = interactable.options;\n const maxActions = options[action.name].max;\n const maxPerElement = options[action.name].maxPerElement;\n let activeInteractions = 0;\n let targetCount = 0;\n let targetElementCount = 0;\n\n // no actions if any of these values == 0\n if (!(maxActions && maxPerElement && autoStart.maxInteractions)) { return; }\n\n for (let i = 0, len = scope.interactions.length; i < len; i++) {\n const interaction = scope.interactions[i];\n const otherAction = interaction.prepared.name;\n\n if (!interaction.interacting()) { continue; }\n\n activeInteractions++;\n\n if (activeInteractions >= autoStart.maxInteractions) {\n return false;\n }\n\n if (interaction.target !== interactable) { continue; }\n\n targetCount += (otherAction === action.name)|0;\n\n if (targetCount >= maxActions) {\n return false;\n }\n\n if (interaction.element === element) {\n targetElementCount++;\n\n if (otherAction !== action.name || targetElementCount >= maxPerElement) {\n return false;\n }\n }\n }\n\n return autoStart.maxInteractions > 0;\n}\n\n/*\\\n * interact.maxInteractions\n [ method ]\n **\n * Returns or sets the maximum number of concurrent interactions allowed.\n * By default only 1 interaction is allowed at a time (for backwards\n * compatibility). To allow multiple interactions on the same Interactables\n * and elements, you need to enable it in the draggable, resizable and\n * gesturable `'max'` and `'maxPerElement'` options.\n **\n - newValue (number) #optional Any number. newValue <= 0 means no interactions.\n\\*/\ninteract.maxInteractions = function (newValue) {\n if (utils.is.number(newValue)) {\n autoStart.maxInteractions = newValue;\n\n return this;\n }\n\n return autoStart.maxInteractions;\n};\n\nInteractable.settingsMethods.push('styleCursor');\nInteractable.settingsMethods.push('actionChecker');\nInteractable.settingsMethods.push('ignoreFrom');\nInteractable.settingsMethods.push('allowFrom');\n\ndefaultOptions.base.actionChecker = null;\ndefaultOptions.base.styleCursor = true;\n\nutils.extend(defaultOptions.perAction, autoStart.defaults.perAction);\n\nmodule.exports = autoStart;\n","const autoStart = require('./base');\nconst Interaction = require('../Interaction');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.delayTimer = null;\n});\n\nautoStart.signals.on('prepared', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.delayTimer = setTimeout(() => {\n interaction.start(interaction.prepared, interaction.target, interaction.element);\n }, delay);\n }\n});\n\nInteraction.signals.on('move', function ({ interaction, duplicate }) {\n if (interaction.pointerWasMoved && !duplicate) {\n clearTimeout(interaction.delayTimer);\n }\n});\n\n// prevent regular down->move autoStart\nautoStart.signals.on('before-start', function ({ interaction }) {\n const actionName = interaction.prepared.name;\n\n if (!actionName) { return; }\n\n const delay = interaction.target.options[actionName].delay;\n\n if (delay > 0) {\n interaction.prepared.name = null;\n }\n});\n","const autoStart = require('./base');\nconst scope = require('../scope');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\n\nconst { matchesSelector, parentNode } = require('../utils/domUtils');\n\nautoStart.setActionDefaults(require('../actions/drag'));\n\nautoStart.signals.on('before-start', function ({ interaction, eventTarget, dx, dy }) {\n if (interaction.prepared.name !== 'drag') { return; }\n\n // check if a drag is in the correct axis\n const absX = Math.abs(dx);\n const absY = Math.abs(dy);\n const options = interaction.target.options.drag;\n const startAxis = options.startAxis;\n const currentAxis = (absX > absY ? 'x' : absX < absY ? 'y' : 'xy');\n\n interaction.prepared.axis = options.lockAxis === 'start'\n ? currentAxis[0] // always lock to one axis even if currentAxis === 'xy'\n : options.lockAxis;\n\n // if the movement isn't in the startAxis of the interactable\n if (currentAxis !== 'xy' && startAxis !== 'xy' && startAxis !== currentAxis) {\n // cancel the prepared action\n interaction.prepared.name = null;\n\n // then try to get a drag from another ineractable\n\n if (!interaction.prepared.name) {\n\n let element = eventTarget;\n\n const getDraggable = function (interactable, selector, context) {\n const elements = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n if (interactable === interaction.target) { return; }\n\n if (!options.manualStart\n && !interactable.testIgnoreAllow(options, element, eventTarget)\n && matchesSelector(element, selector, elements)) {\n\n const action = interactable.getAction(interaction.downPointer,\n interaction.downEvent,\n interaction,\n element);\n\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, interactable)\n && autoStart.validateAction(action, interactable, element, eventTarget)) {\n\n return interactable;\n }\n }\n };\n\n let action = null;\n\n // check all interactables\n while (is.element(element)) {\n const elementInteractable = scope.interactables.get(element);\n\n if (elementInteractable\n && elementInteractable !== interaction.target\n && !elementInteractable.options.drag.manualStart) {\n\n action = elementInteractable.getAction(interaction.downPointer, interaction.downEvent, interaction, element);\n }\n if (action\n && action.name === 'drag'\n && checkStartAxis(currentAxis, elementInteractable)) {\n\n interaction.prepared.name = 'drag';\n interaction.target = elementInteractable;\n interaction.element = element;\n break;\n }\n\n const selectorInteractable = scope.interactables.forEachSelector(getDraggable, element);\n\n if (selectorInteractable) {\n interaction.prepared.name = 'drag';\n interaction.target = selectorInteractable;\n interaction.element = element;\n break;\n }\n\n element = parentNode(element);\n }\n }\n }\n});\n\nfunction checkStartAxis (startAxis, interactable) {\n if (!interactable) { return false; }\n\n const thisAxis = interactable.options.drag.startAxis;\n\n return (startAxis === 'xy' || thisAxis === 'xy' || thisAxis === startAxis);\n}\n","require('./base').setActionDefaults(require('../actions/gesture'));\n","require('./base').setActionDefaults(require('../actions/resize'));\n","module.exports = {\n base: {\n accept : null,\n preventDefault: 'auto',\n deltaSource : 'page',\n },\n\n perAction: {\n origin: { x: 0, y: 0 },\n\n // only allow left button by default\n // see https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons#Return_value\n mouseButtons: 1,\n\n inertia: {\n enabled : false,\n resistance : 10, // the lambda in exponential decay\n minSpeed : 100, // target speed must be above this for inertia to start\n endSpeed : 10, // the speed at which inertia is slow enough to stop\n allowResume : true, // allow resuming an action in inertia phase\n smoothEndDuration: 300, // animate to snap/restrict endOnly if there's no inertia\n },\n },\n};\n","/* browser entry point */\n\n// Legacy browser support\nrequire('./legacyBrowsers');\n\n// inertia\nrequire('./inertia');\n\n// modifiers\nrequire('./modifiers/snap');\nrequire('./modifiers/restrict');\n\n// pointerEvents\nrequire('./pointerEvents/base');\nrequire('./pointerEvents/holdRepeat');\nrequire('./pointerEvents/interactableTargets');\n\n// delay\nrequire('./autoStart/delay');\n\n// actions\nrequire('./actions/gesture');\nrequire('./actions/resize');\nrequire('./actions/drag');\nrequire('./actions/drop');\n\n// load these modifiers after resize is loaded\nrequire('./modifiers/snapSize');\nrequire('./modifiers/restrictEdges');\nrequire('./modifiers/restrictSize');\n\n// autoStart actions\nrequire('./autoStart/gesture');\nrequire('./autoStart/resize');\nrequire('./autoStart/drag');\n\n// Interactable preventDefault setting\nrequire('./interactablePreventDefault.js');\n\n// autoScroll\nrequire('./autoScroll');\n\n// export interact\nmodule.exports = require('./interact');\n","const InteractEvent = require('./InteractEvent');\nconst Interaction = require('./Interaction');\nconst modifiers = require('./modifiers');\nconst utils = require('./utils');\nconst animationFrame = require('./utils/raf');\n\nInteraction.signals.on('new', function (interaction) {\n interaction.inertiaStatus = {\n active : false,\n smoothEnd : false,\n allowResume: false,\n\n startEvent: null,\n upCoords : {},\n\n xe: 0, ye: 0,\n sx: 0, sy: 0,\n\n t0: 0,\n vx0: 0, vys: 0,\n duration: 0,\n\n lambda_v0: 0,\n one_ve_v0: 0,\n i : null,\n };\n\n interaction.boundInertiaFrame = () => inertiaFrame .apply(interaction);\n interaction.boundSmoothEndFrame = () => smoothEndFrame.apply(interaction);\n});\n\nInteraction.signals.on('down', function ({ interaction, event, pointer, eventTarget }) {\n const status = interaction.inertiaStatus;\n\n // Check if the down event hits the current inertia target\n if (status.active) {\n let element = eventTarget;\n\n // climb up the DOM tree from the event target\n while (utils.is.element(element)) {\n\n // if interaction element is the current inertia target element\n if (element === interaction.element) {\n // stop inertia\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n\n // update pointers to the down event's coordinates\n interaction.updatePointer(pointer);\n utils.setCoords(interaction.curCoords, interaction.pointers);\n\n // fire appropriate signals\n const signalArg = { interaction };\n Interaction.signals.fire('before-action-move', signalArg);\n Interaction.signals.fire('action-resume' , signalArg);\n\n // fire a reume event\n const resumeEvent = new InteractEvent(interaction,\n event,\n interaction.prepared.name,\n 'inertiaresume',\n interaction.element);\n\n interaction.target.fire(resumeEvent);\n interaction.prevEvent = resumeEvent;\n modifiers.resetStatuses(interaction.modifierStatuses);\n\n utils.copyCoords(interaction.prevCoords, interaction.curCoords);\n break;\n }\n\n element = utils.parentNode(element);\n }\n }\n});\n\nInteraction.signals.on('up', function ({ interaction, event }) {\n const status = interaction.inertiaStatus;\n\n if (!interaction.interacting() || status.active) { return; }\n\n const target = interaction.target;\n const options = target && target.options;\n const inertiaOptions = options && interaction.prepared.name && options[interaction.prepared.name].inertia;\n\n const now = new Date().getTime();\n const statuses = {};\n const page = utils.extend({}, interaction.curCoords.page);\n const pointerSpeed = interaction.pointerDelta.client.speed;\n\n let smoothEnd = false;\n let modifierResult;\n\n // check if inertia should be started\n const inertiaPossible = (inertiaOptions && inertiaOptions.enabled\n && interaction.prepared.name !== 'gesture'\n && event !== status.startEvent);\n\n const inertia = (inertiaPossible\n && (now - interaction.curCoords.timeStamp) < 50\n && pointerSpeed > inertiaOptions.minSpeed\n && pointerSpeed > inertiaOptions.endSpeed);\n\n const modifierArg = {\n interaction,\n pageCoords: page,\n statuses,\n preEnd: true,\n requireEndOnly: true,\n };\n\n // smoothEnd\n if (inertiaPossible && !inertia) {\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n if (modifierResult.shouldMove && modifierResult.locked) {\n smoothEnd = true;\n }\n }\n\n if (!(inertia || smoothEnd)) { return; }\n\n utils.copyCoords(status.upCoords, interaction.curCoords);\n\n interaction.pointers[0] = status.startEvent =\n new InteractEvent(interaction, event, interaction.prepared.name, 'inertiastart', interaction.element);\n\n status.t0 = now;\n\n status.active = true;\n status.allowResume = inertiaOptions.allowResume;\n interaction.simulation = status;\n\n target.fire(status.startEvent);\n\n if (inertia) {\n status.vx0 = interaction.pointerDelta.client.vx;\n status.vy0 = interaction.pointerDelta.client.vy;\n status.v0 = pointerSpeed;\n\n calcInertia(interaction, status);\n\n utils.extend(page, interaction.curCoords.page);\n\n page.x += status.xe;\n page.y += status.ye;\n\n modifiers.resetStatuses(statuses);\n\n modifierResult = modifiers.setAll(modifierArg);\n\n status.modifiedXe += modifierResult.dx;\n status.modifiedYe += modifierResult.dy;\n\n status.i = animationFrame.request(interaction.boundInertiaFrame);\n }\n else {\n status.smoothEnd = true;\n status.xe = modifierResult.dx;\n status.ye = modifierResult.dy;\n\n status.sx = status.sy = 0;\n\n status.i = animationFrame.request(interaction.boundSmoothEndFrame);\n }\n});\n\nInteraction.signals.on('stop-active', function ({ interaction }) {\n const status = interaction.inertiaStatus;\n\n if (status.active) {\n animationFrame.cancel(status.i);\n status.active = false;\n interaction.simulation = null;\n }\n});\n\nfunction calcInertia (interaction, status) {\n const inertiaOptions = interaction.target.options[interaction.prepared.name].inertia;\n const lambda = inertiaOptions.resistance;\n const inertiaDur = -Math.log(inertiaOptions.endSpeed / status.v0) / lambda;\n\n status.x0 = interaction.prevEvent.pageX;\n status.y0 = interaction.prevEvent.pageY;\n status.t0 = status.startEvent.timeStamp / 1000;\n status.sx = status.sy = 0;\n\n status.modifiedXe = status.xe = (status.vx0 - inertiaDur) / lambda;\n status.modifiedYe = status.ye = (status.vy0 - inertiaDur) / lambda;\n status.te = inertiaDur;\n\n status.lambda_v0 = lambda / status.v0;\n status.one_ve_v0 = 1 - inertiaOptions.endSpeed / status.v0;\n}\n\nfunction inertiaFrame () {\n updateInertiaCoords(this);\n utils.setCoordDeltas(this.pointerDelta, this.prevCoords, this.curCoords);\n\n const status = this.inertiaStatus;\n const options = this.target.options[this.prepared.name].inertia;\n const lambda = options.resistance;\n const t = new Date().getTime() / 1000 - status.t0;\n\n if (t < status.te) {\n\n const progress = 1 - (Math.exp(-lambda * t) - status.lambda_v0) / status.one_ve_v0;\n\n if (status.modifiedXe === status.xe && status.modifiedYe === status.ye) {\n status.sx = status.xe * progress;\n status.sy = status.ye * progress;\n }\n else {\n const quadPoint = utils.getQuadraticCurvePoint(0, 0,\n status.xe,\n status.ye,\n status.modifiedXe,\n status.modifiedYe,\n progress);\n\n status.sx = quadPoint.x;\n status.sy = quadPoint.y;\n }\n\n this.doMove();\n\n status.i = animationFrame.request(this.boundInertiaFrame);\n }\n else {\n status.sx = status.modifiedXe;\n status.sy = status.modifiedYe;\n\n this.doMove();\n this.end(status.startEvent);\n status.active = false;\n this.simulation = null;\n }\n\n utils.copyCoords(this.prevCoords, this.curCoords);\n}\n\nfunction smoothEndFrame () {\n updateInertiaCoords(this);\n\n const status = this.inertiaStatus;\n const t = new Date().getTime() - status.t0;\n const duration = this.target.options[this.prepared.name].inertia.smoothEndDuration;\n\n if (t < duration) {\n status.sx = utils.easeOutQuad(t, 0, status.xe, duration);\n status.sy = utils.easeOutQuad(t, 0, status.ye, duration);\n\n this.pointerMove(status.startEvent, status.startEvent);\n\n status.i = animationFrame.request(this.boundSmoothEndFrame);\n }\n else {\n status.sx = status.xe;\n status.sy = status.ye;\n\n this.pointerMove(status.startEvent, status.startEvent);\n this.end(status.startEvent);\n\n status.smoothEnd =\n status.active = false;\n this.simulation = null;\n }\n}\n\nfunction updateInertiaCoords (interaction) {\n const status = interaction.inertiaStatus;\n\n // return if inertia isn't running\n if (!status.active) { return; }\n\n const pageUp = status.upCoords.page;\n const clientUp = status.upCoords.client;\n\n utils.setCoords(interaction.curCoords, [ {\n pageX : pageUp.x + status.sx,\n pageY : pageUp.y + status.sy,\n clientX: clientUp.x + status.sx,\n clientY: clientUp.y + status.sy,\n } ]);\n}\n","const browser = require('./utils/browser');\nconst events = require('./utils/events');\nconst utils = require('./utils');\nconst scope = require('./scope');\nconst Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\n\nconst globalEvents = {};\n\n/*\\\n * interact\n [ method ]\n *\n * The methods of this variable can be used to set elements as\n * interactables and also to change various default settings.\n *\n * Calling it as a function and passing an element or a valid CSS selector\n * string returns an Interactable object which has various methods to\n * configure it.\n *\n - element (Element | string) The HTML or SVG Element to interact with or CSS selector\n = (object) An @Interactable\n *\n > Usage\n | interact('#draggable').draggable(true);\n |\n | var rectables = interact('rect');\n | rectables\n | .gesturable(true)\n | .on('gesturemove', function (event) {\n | // ...\n | });\n\\*/\nfunction interact (element, options) {\n let interactable = scope.interactables.get(element, options);\n\n if (!interactable) {\n interactable = new Interactable(element, options);\n interactable.events.global = globalEvents;\n }\n\n return interactable;\n}\n\n/*\\\n * interact.isSet\n [ method ]\n *\n * Check if an element has been set\n - element (Element) The Element being searched for\n = (boolean) Indicates if the element or CSS selector was previously passed to interact\n\\*/\ninteract.isSet = function (element, options) {\n return scope.interactables.indexOfElement(element, options && options.context) !== -1;\n};\n\n/*\\\n * interact.on\n [ method ]\n *\n * Adds a global listener for an InteractEvent or adds a DOM event to\n * `document`\n *\n - type (string | array | object) The types of events to listen for\n - listener (function) The function event (s)\n - options (object | boolean) #optional options object or useCapture flag for addEventListener\n = (object) interact\n\\*/\ninteract.on = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.on(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.on(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n // if it is an InteractEvent type, add listener to globalEvents\n if (utils.contains(Interactable.eventTypes, type)) {\n // if this type of event was never bound\n if (!globalEvents[type]) {\n globalEvents[type] = [listener];\n }\n else {\n globalEvents[type].push(listener);\n }\n }\n // If non InteractEvent type, addEventListener to document\n else {\n events.add(scope.document, type, listener, { options });\n }\n\n return interact;\n};\n\n/*\\\n * interact.off\n [ method ]\n *\n * Removes a global InteractEvent listener or DOM event from `document`\n *\n - type (string | array | object) The types of events that were listened for\n - listener (function) The listener function to be removed\n - options (object | boolean) #optional options object or useCapture flag for removeEventListener\n = (object) interact\n \\*/\ninteract.off = function (type, listener, options) {\n if (utils.is.string(type) && type.search(' ') !== -1) {\n type = type.trim().split(/ +/);\n }\n\n if (utils.is.array(type)) {\n for (const eventType of type) {\n interact.off(eventType, listener, options);\n }\n\n return interact;\n }\n\n if (utils.is.object(type)) {\n for (const prop in type) {\n interact.off(prop, type[prop], listener);\n }\n\n return interact;\n }\n\n if (!utils.contains(Interactable.eventTypes, type)) {\n events.remove(scope.document, type, listener, options);\n }\n else {\n let index;\n\n if (type in globalEvents\n && (index = utils.indexOf(globalEvents[type], listener)) !== -1) {\n globalEvents[type].splice(index, 1);\n }\n }\n\n return interact;\n};\n\n/*\\\n * interact.debug\n [ method ]\n *\n * Returns an object which exposes internal data\n = (object) An object with properties that outline the current state and expose internal functions and variables\n\\*/\ninteract.debug = function () {\n return scope;\n};\n\n// expose the functions used to calculate multi-touch properties\ninteract.getPointerAverage = utils.pointerAverage;\ninteract.getTouchBBox = utils.touchBBox;\ninteract.getTouchDistance = utils.touchDistance;\ninteract.getTouchAngle = utils.touchAngle;\n\ninteract.getElementRect = utils.getElementRect;\ninteract.getElementClientRect = utils.getElementClientRect;\ninteract.matchesSelector = utils.matchesSelector;\ninteract.closest = utils.closest;\n\n/*\\\n * interact.supportsTouch\n [ method ]\n *\n = (boolean) Whether or not the browser supports touch input\n\\*/\ninteract.supportsTouch = function () {\n return browser.supportsTouch;\n};\n\n/*\\\n * interact.supportsPointerEvent\n [ method ]\n *\n = (boolean) Whether or not the browser supports PointerEvents\n\\*/\ninteract.supportsPointerEvent = function () {\n return browser.supportsPointerEvent;\n};\n\n/*\\\n * interact.stop\n [ method ]\n *\n * Cancels all interactions (end events are not fired)\n *\n - event (Event) An event on which to call preventDefault()\n = (object) interact\n\\*/\ninteract.stop = function (event) {\n for (let i = scope.interactions.length - 1; i >= 0; i--) {\n scope.interactions[i].stop(event);\n }\n\n return interact;\n};\n\n/*\\\n * interact.pointerMoveTolerance\n [ method ]\n * Returns or sets the distance the pointer must be moved before an action\n * sequence occurs. This also affects tolerance for tap events.\n *\n - newValue (number) #optional The movement from the start position must be greater than this value\n = (number | Interactable) The current setting or interact\n\\*/\ninteract.pointerMoveTolerance = function (newValue) {\n if (utils.is.number(newValue)) {\n Interaction.pointerMoveTolerance = newValue;\n\n return this;\n }\n\n return Interaction.pointerMoveTolerance;\n};\n\ninteract.addDocument = scope.addDocument;\ninteract.removeDocument = scope.removeDocument;\n\nscope.interact = interact;\n\nmodule.exports = interact;\n","const Interactable = require('./Interactable');\nconst Interaction = require('./Interaction');\nconst scope = require('./scope');\nconst is = require('./utils/is');\nconst events = require('./utils/events');\n\nconst { nodeContains, matchesSelector } = require('./utils/domUtils');\n\n/*\\\n * Interactable.preventDefault\n [ method ]\n *\n * Returns or sets whether to prevent the browser's default behaviour\n * in response to pointer events. Can be set to:\n * - `'always'` to always prevent\n * - `'never'` to never prevent\n * - `'auto'` to let interact.js try to determine what would be best\n *\n - newValue (string) #optional `true`, `false` or `'auto'`\n = (string | Interactable) The current setting or this Interactable\n\\*/\nInteractable.prototype.preventDefault = function (newValue) {\n if (/^(always|never|auto)$/.test(newValue)) {\n this.options.preventDefault = newValue;\n return this;\n }\n\n if (is.bool(newValue)) {\n this.options.preventDefault = newValue? 'always' : 'never';\n return this;\n }\n\n return this.options.preventDefault;\n};\n\nInteractable.prototype.checkAndPreventDefault = function (event) {\n const setting = this.options.preventDefault;\n\n if (setting === 'never') { return; }\n\n if (setting === 'always') {\n event.preventDefault();\n return;\n }\n\n // setting === 'auto'\n\n // don't preventDefault if the browser supports passiveEvents\n // CSS touch-action and user-selecct should be used instead\n if (events.supportsOptions) {\n return;\n }\n\n // don't preventDefault of pointerdown events\n if (/^(mouse|pointer|touch)*(down|start)/i.test(event.type)) {\n return;\n }\n\n // don't preventDefault on editable elements\n if (is.element(event.target)\n && matchesSelector(event.target, 'input,select,textarea,[contenteditable=true],[contenteditable=true] *')) {\n return;\n }\n\n event.preventDefault();\n};\n\nfunction onInteractionEvent ({ interaction, event }) {\n if (interaction.target) {\n interaction.target.checkAndPreventDefault(event);\n }\n}\n\nfor (const eventSignal of ['down', 'move', 'up', 'cancel']) {\n Interaction.signals.on(eventSignal, onInteractionEvent);\n}\n\n// prevent native HTML5 drag on interact.js target elements\nInteraction.docEvents.dragstart = function preventNativeDrag (event) {\n for (const interaction of scope.interactions) {\n\n if (interaction.element\n && (interaction.element === event.target\n || nodeContains(interaction.element, event.target))) {\n\n interaction.target.checkAndPreventDefault(event);\n return;\n }\n }\n};\n","const scope = require('./scope');\nconst events = require('./utils/events');\nconst browser = require('./utils/browser');\nconst iFinder = require('./utils/interactionFinder');\nconst pointerEvents = require('./pointerEvents/base');\n\nconst { window } = require('./utils/window');\n\nconst toString = Object.prototype.toString;\n\nif (!window.Array.isArray) {\n window.Array.isArray = function (obj) {\n return toString.call(obj) === '[object Array]';\n };\n}\n\nif (!String.prototype.trim) {\n String.prototype.trim = function () {\n return this.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n };\n}\n\n// http://www.quirksmode.org/dom/events/click.html\n// >Events leading to dblclick\n//\n// IE8 doesn't fire down event before dblclick.\n// This workaround tries to fire a tap and doubletap after dblclick\nfunction onIE8Dblclick (event) {\n const eventTarget = event.target;\n const interaction = iFinder.search(event, event.type, eventTarget);\n\n if (!interaction) { return; }\n\n if (interaction.prevTap\n && event.clientX === interaction.prevTap.clientX\n && event.clientY === interaction.prevTap.clientY\n && eventTarget === interaction.prevTap.target) {\n\n interaction.downTargets[0] = eventTarget;\n interaction.downTimes [0] = new Date().getTime();\n\n pointerEvents.fire({\n interaction,\n event,\n eventTarget,\n pointer: event,\n type: 'tap',\n });\n }\n}\n\nif (browser.isIE8) {\n const selectFix = function (event) {\n for (const interaction of scope.interactions) {\n if (interaction.interacting()) {\n interaction.target.checkAndPreventDefault(event);\n }\n }\n };\n\n const onDocIE8 = function onDocIE8 ({ doc, win }, signalName) {\n const eventMethod = signalName.indexOf('listen') === 0\n ? events.add : events.remove;\n\n // For IE's lack of Event#preventDefault\n eventMethod(doc, 'selectstart', selectFix);\n\n if (pointerEvents) {\n eventMethod(doc, 'dblclick', onIE8Dblclick);\n }\n };\n\n scope.signals.on('add-document' , onDocIE8);\n scope.signals.on('remove-document', onDocIE8);\n}\n\nmodule.exports = null;\n","const InteractEvent = require('../InteractEvent');\nconst Interaction = require('../Interaction');\nconst extend = require('../utils/extend');\n\nconst modifiers = {\n names: [],\n\n setOffsets: function (arg) {\n const { interaction, pageCoords: page } = arg;\n const { target, element, startOffset } = interaction;\n const rect = target.getRect(element);\n\n if (rect) {\n startOffset.left = page.x - rect.left;\n startOffset.top = page.y - rect.top;\n\n startOffset.right = rect.right - page.x;\n startOffset.bottom = rect.bottom - page.y;\n\n if (!('width' in rect)) { rect.width = rect.right - rect.left; }\n if (!('height' in rect)) { rect.height = rect.bottom - rect.top ; }\n }\n else {\n startOffset.left = startOffset.top = startOffset.right = startOffset.bottom = 0;\n }\n\n arg.rect = rect;\n arg.interactable = target;\n arg.element = element;\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n\n arg.options = target.options[interaction.prepared.name][modifierName];\n\n if (!arg.options) {\n continue;\n }\n\n interaction.modifierOffsets[modifierName] = modifiers[modifierName].setOffset(arg);\n }\n },\n\n setAll: function (arg) {\n const { interaction, statuses, preEnd, requireEndOnly } = arg;\n const coords = extend({}, arg.pageCoords);\n const result = {\n dx: 0,\n dy: 0,\n changed: false,\n locked: false,\n shouldMove: true,\n };\n\n for (const modifierName of modifiers.names) {\n const modifier = modifiers[modifierName];\n const options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!shouldDo(options, preEnd, requireEndOnly)) { continue; }\n\n arg.status = arg.status = statuses[modifierName];\n arg.options = options;\n arg.offset = arg.interaction.modifierOffsets[modifierName];\n\n modifier.set(arg);\n\n if (arg.status.locked) {\n coords.x += arg.status.dx;\n coords.y += arg.status.dy;\n\n result.dx += arg.status.dx;\n result.dy += arg.status.dy;\n\n result.locked = true;\n }\n }\n\n // a move should be fired if:\n // - there are no modifiers enabled,\n // - no modifiers are \"locked\" i.e. have changed the pointer's coordinates, or\n // - the locked coords have changed since the last pointer move\n result.shouldMove = !arg.status || !result.locked || arg.status.changed;\n\n return result;\n },\n\n resetStatuses: function (statuses) {\n for (const modifierName of modifiers.names) {\n const status = statuses[modifierName] || {};\n\n status.dx = status.dy = 0;\n status.modifiedX = status.modifiedY = NaN;\n status.locked = false;\n status.changed = true;\n\n statuses[modifierName] = status;\n }\n\n return statuses;\n },\n\n start: function ({ interaction }, signalName) {\n const arg = {\n interaction,\n pageCoords: (signalName === 'action-resume' ?\n interaction.curCoords : interaction.startCoords).page,\n startOffset: interaction.startOffset,\n statuses: interaction.modifierStatuses,\n preEnd: false,\n requireEndOnly: false,\n };\n\n modifiers.setOffsets(arg);\n modifiers.resetStatuses(arg.statuses);\n\n arg.pageCoords = extend({}, interaction.startCoords.page);\n interaction.modifierResult = modifiers.setAll(arg);\n },\n};\n\nInteraction.signals.on('new', function (interaction) {\n interaction.startOffset = { left: 0, right: 0, top: 0, bottom: 0 };\n interaction.modifierOffsets = {};\n interaction.modifierStatuses = modifiers.resetStatuses({});\n interaction.modifierResult = null;\n});\n\nInteraction.signals.on('action-start' , modifiers.start);\nInteraction.signals.on('action-resume', modifiers.start);\n\nInteraction.signals.on('before-action-move', function ({ interaction, preEnd, interactingBeforeMove }) {\n const modifierResult = modifiers.setAll({\n interaction,\n preEnd,\n pageCoords: interaction.curCoords.page,\n statuses: interaction.modifierStatuses,\n requireEndOnly: false,\n });\n\n // don't fire an action move if a modifier would keep the event in the same\n // cordinates as before\n if (!modifierResult.shouldMove && interactingBeforeMove) {\n interaction._dontFireMove = true;\n }\n\n interaction.modifierResult = modifierResult;\n});\n\nInteraction.signals.on('action-end', function ({ interaction, event }) {\n for (let i = 0; i < modifiers.names.length; i++) {\n const options = interaction.target.options[interaction.prepared.name][modifiers.names[i]];\n\n // if the endOnly option is true for any modifier\n if (shouldDo(options, true, true)) {\n // fire a move event at the modified coordinates\n interaction.doMove({ event, preEnd: true });\n break;\n }\n }\n});\n\nInteractEvent.signals.on('set-xy', function (arg) {\n const { iEvent, interaction } = arg;\n const modifierArg = extend({}, arg);\n\n for (let i = 0; i < modifiers.names.length; i++) {\n const modifierName = modifiers.names[i];\n modifierArg.options = interaction.target.options[interaction.prepared.name][modifierName];\n\n if (!modifierArg.options) {\n continue;\n }\n\n const modifier = modifiers[modifierName];\n\n modifierArg.status = interaction.modifierStatuses[modifierName];\n\n iEvent[modifierName] = modifier.modifyCoords(modifierArg);\n }\n});\n\nfunction shouldDo (options, preEnd, requireEndOnly) {\n return (options && options.enabled\n && (preEnd || !options.endOnly)\n && (!requireEndOnly || options.endOnly));\n}\n\nmodule.exports = modifiers;\n","const modifiers = require('./index');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst restrict = {\n defaults: {\n enabled : false,\n endOnly : false,\n restriction: null,\n elementRect: null,\n },\n\n setOffset: function ({ rect, startOffset, options }) {\n const elementRect = options && options.elementRect;\n const offset = {};\n\n if (rect && elementRect) {\n offset.left = startOffset.left - (rect.width * elementRect.left);\n offset.top = startOffset.top - (rect.height * elementRect.top);\n\n offset.right = startOffset.right - (rect.width * (1 - elementRect.right));\n offset.bottom = startOffset.bottom - (rect.height * (1 - elementRect.bottom));\n }\n else {\n offset.left = offset.top = offset.right = offset.bottom = 0;\n }\n\n return offset;\n },\n\n set: function ({ pageCoords, interaction, status, options }) {\n if (!options) { return status; }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n\n const restriction = getRestrictionRect(options.restriction, interaction, page);\n\n if (!restriction) { return status; }\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n const rect = restriction;\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n const offset = interaction.modifierOffsets.restrict;\n\n // object is assumed to have\n // x, y, width, height or\n // left, top, right, bottom\n if ('x' in restriction && 'y' in restriction) {\n modifiedX = Math.max(Math.min(rect.x + rect.width - offset.right , page.x), rect.x + offset.left);\n modifiedY = Math.max(Math.min(rect.y + rect.height - offset.bottom, page.y), rect.y + offset.top );\n }\n else {\n modifiedX = Math.max(Math.min(rect.right - offset.right , page.x), rect.left + offset.left);\n modifiedY = Math.max(Math.min(rect.bottom - offset.bottom, page.y), rect.top + offset.top );\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const elementRect = options && options.elementRect;\n\n if (options && options.enabled\n && !(phase === 'start' && elementRect && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n getRestrictionRect,\n};\n\nfunction getRestrictionRect (value, interaction, page) {\n if (utils.is.function(value)) {\n return utils.resolveRectLike(value, interaction.target, interaction.element, [page.x, page.y, interaction]);\n } else {\n return utils.resolveRectLike(value, interaction.target, interaction.element);\n }\n}\n\nmodifiers.restrict = restrict;\nmodifiers.names.push('restrict');\n\ndefaultOptions.perAction.restrict = restrict.defaults;\n\nmodule.exports = restrict;\n","// This module adds the options.resize.restrictEdges setting which sets min and\n// max for the top, left, bottom and right edges of the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictEdges: {\n// inner: { top: 200, left: 200, right: 400, bottom: 400 },\n// outer: { top: 0, left: 0, right: 600, bottom: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst { getRestrictionRect } = require('./restrict');\n\nconst noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };\nconst noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };\n\nconst restrictEdges = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n offset: null,\n },\n\n setOffset: function ({ interaction, startOffset, options }) {\n if (!options) {\n return utils.extend({}, startOffset);\n }\n\n const offset = getRestrictionRect(options.offset, interaction, interaction.startCoords.page);\n\n if (offset) {\n return {\n top: startOffset.top + offset.y,\n left: startOffset.left + offset.x,\n bottom: startOffset.bottom + offset.y,\n right: startOffset.right + offset.x,\n };\n }\n\n return startOffset;\n },\n\n set: function ({ pageCoords, interaction, status, offset, options }) {\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const page = status.useStatusXY\n ? { x: status.x, y: status.y }\n : utils.extend({}, pageCoords);\n const inner = rectUtils.xywhToTlbr(getRestrictionRect(options.inner, interaction, page)) || noInner;\n const outer = rectUtils.xywhToTlbr(getRestrictionRect(options.outer, interaction, page)) || noOuter;\n\n let modifiedX = page.x;\n let modifiedY = page.y;\n\n status.dx = 0;\n status.dy = 0;\n status.locked = false;\n\n if (edges.top) {\n modifiedY = Math.min(Math.max(outer.top + offset.top, page.y), inner.top + offset.top);\n }\n else if (edges.bottom) {\n modifiedY = Math.max(Math.min(outer.bottom - offset.bottom, page.y), inner.bottom - offset.bottom);\n }\n if (edges.left) {\n modifiedX = Math.min(Math.max(outer.left + offset.left, page.x), inner.left + offset.left);\n }\n else if (edges.right) {\n modifiedX = Math.max(Math.min(outer.right - offset.right, page.x), inner.right - offset.right);\n }\n\n status.dx = modifiedX - page.x;\n status.dy = modifiedY - page.y;\n\n status.changed = status.modifiedX !== modifiedX || status.modifiedY !== modifiedY;\n status.locked = !!(status.dx || status.dy);\n\n status.modifiedX = modifiedX;\n status.modifiedY = modifiedY;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n if (options && options.enabled\n && !(phase === 'start' && status.locked)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n\n return {\n dx: status.dx,\n dy: status.dy,\n };\n }\n }\n },\n\n noInner,\n noOuter,\n getRestrictionRect,\n};\n\nmodifiers.restrictEdges = restrictEdges;\nmodifiers.names.push('restrictEdges');\n\ndefaultOptions.perAction.restrictEdges = restrictEdges.defaults;\nresize.defaults.restrictEdges = restrictEdges.defaults;\n\nmodule.exports = restrictEdges;\n","// This module adds the options.resize.restrictSize setting which sets min and\n// max width and height for the target being resized.\n//\n// interact(target).resize({\n// edges: { top: true, left: true },\n// restrictSize: {\n// min: { width: -600, height: -600 },\n// max: { width: 600, height: 600 },\n// },\n// });\n\nconst modifiers = require('./index');\nconst restrictEdges = require('./restrictEdges');\nconst utils = require('../utils');\nconst rectUtils = require('../utils/rect');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\n\nconst noMin = { width: -Infinity, height: -Infinity };\nconst noMax = { width: +Infinity, height: +Infinity };\n\nconst restrictSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n min: null,\n max: null,\n },\n\n setOffset: function ({ interaction }) {\n return interaction.startOffset;\n },\n\n set: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;\n\n if (!interaction.interacting() || !edges) {\n return;\n }\n\n const rect = rectUtils.xywhToTlbr(interaction.resizeRects.inverted);\n\n const minSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.min, interaction)) || noMin;\n const maxSize = rectUtils.tlbrToXywh(restrictEdges.getRestrictionRect(options.max, interaction)) || noMax;\n\n arg.options = {\n enabled: options.enabled,\n endOnly: options.endOnly,\n inner: utils.extend({}, restrictEdges.noInner),\n outer: utils.extend({}, restrictEdges.noOuter),\n };\n\n if (edges.top) {\n arg.options.inner.top = rect.bottom - minSize.height;\n arg.options.outer.top = rect.bottom - maxSize.height;\n }\n else if (edges.bottom) {\n arg.options.inner.bottom = rect.top + minSize.height;\n arg.options.outer.bottom = rect.top + maxSize.height;\n }\n if (edges.left) {\n arg.options.inner.left = rect.right - minSize.width;\n arg.options.outer.left = rect.right - maxSize.width;\n }\n else if (edges.right) {\n arg.options.inner.right = rect.left + minSize.width;\n arg.options.outer.right = rect.left + maxSize.width;\n }\n\n restrictEdges.set(arg);\n },\n\n modifyCoords: restrictEdges.modifyCoords,\n};\n\nmodifiers.restrictSize = restrictSize;\nmodifiers.names.push('restrictSize');\n\ndefaultOptions.perAction.restrictSize = restrictSize.defaults;\nresize.defaults.restrictSize = restrictSize.defaults;\n\nmodule.exports = restrictSize;\n","const modifiers = require('./index');\nconst interact = require('../interact');\nconst utils = require('../utils');\nconst defaultOptions = require('../defaultOptions');\n\nconst snap = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n\n relativePoints: null,\n },\n\n setOffset: function ({ interaction, interactable, element, rect, startOffset, options }) {\n const offsets = [];\n const optionsOrigin = utils.rectToXY(utils.resolveRectLike(options.origin));\n const origin = optionsOrigin || utils.getOriginXY(interactable, element, interaction.prepared.name);\n options = options || interactable.options[interaction.prepared.name].snap || {};\n\n let snapOffset;\n\n if (options.offset === 'startCoords') {\n snapOffset = {\n x: interaction.startCoords.page.x - origin.x,\n y: interaction.startCoords.page.y - origin.y,\n };\n }\n else {\n const offsetRect = utils.resolveRectLike(options.offset, interactable, element, [interaction]);\n\n snapOffset = utils.rectToXY(offsetRect) || { x: 0, y: 0 };\n }\n\n if (rect && options.relativePoints && options.relativePoints.length) {\n for (const { x: relativeX, y: relativeY } of options.relativePoints) {\n offsets.push({\n x: startOffset.left - (rect.width * relativeX) + snapOffset.x,\n y: startOffset.top - (rect.height * relativeY) + snapOffset.y,\n });\n }\n }\n else {\n offsets.push(snapOffset);\n }\n\n return offsets;\n },\n\n set: function ({ interaction, pageCoords, status, options, offset: offsets }) {\n const targets = [];\n let target;\n let page;\n let i;\n\n if (status.useStatusXY) {\n page = { x: status.x, y: status.y };\n }\n else {\n const origin = utils.getOriginXY(interaction.target, interaction.element, interaction.prepared.name);\n\n page = utils.extend({}, pageCoords);\n\n page.x -= origin.x;\n page.y -= origin.y;\n }\n\n status.realX = page.x;\n status.realY = page.y;\n\n let len = options.targets? options.targets.length : 0;\n\n for (const { x: offsetX, y: offsetY } of offsets) {\n const relativeX = page.x - offsetX;\n const relativeY = page.y - offsetY;\n\n for (const snapTarget of options.targets) {\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n targets.push({\n x: utils.is.number(target.x) ? (target.x + offsetX) : relativeX,\n y: utils.is.number(target.y) ? (target.y + offsetY) : relativeY,\n\n range: utils.is.number(target.range)? target.range: options.range,\n });\n }\n }\n\n const closest = {\n target: null,\n inRange: false,\n distance: 0,\n range: 0,\n dx: 0,\n dy: 0,\n };\n\n for (i = 0, len = targets.length; i < len; i++) {\n target = targets[i];\n\n const range = target.range;\n const dx = target.x - page.x;\n const dy = target.y - page.y;\n const distance = utils.hypot(dx, dy);\n let inRange = distance <= range;\n\n // Infinite targets count as being out of range\n // compared to non infinite ones that are in range\n if (range === Infinity && closest.inRange && closest.range !== Infinity) {\n inRange = false;\n }\n\n if (!closest.target || (inRange\n // is the closest target in range?\n ? (closest.inRange && range !== Infinity\n // the pointer is relatively deeper in this target\n ? distance / range < closest.distance / closest.range\n // this target has Infinite range and the closest doesn't\n : (range === Infinity && closest.range !== Infinity)\n // OR this target is closer that the previous closest\n || distance < closest.distance)\n // The other is not in range and the pointer is closer to this target\n : (!closest.inRange && distance < closest.distance))) {\n\n closest.target = target;\n closest.distance = distance;\n closest.range = range;\n closest.inRange = inRange;\n closest.dx = dx;\n closest.dy = dy;\n\n status.range = range;\n }\n }\n\n let snapChanged;\n\n if (closest.target) {\n snapChanged = (status.modifiedX !== closest.target.x || status.modifiedY !== closest.target.y);\n\n status.modifiedX = closest.target.x;\n status.modifiedY = closest.target.y;\n }\n else {\n snapChanged = true;\n\n status.modifiedX = NaN;\n status.modifiedY = NaN;\n }\n\n status.dx = closest.dx;\n status.dy = closest.dy;\n\n status.changed = (snapChanged || (closest.inRange && !status.locked));\n status.locked = closest.inRange;\n },\n\n modifyCoords: function ({ page, client, status, phase, options }) {\n const relativePoints = options && options.relativePoints;\n\n if (options && options.enabled\n && !(phase === 'start' && relativePoints && relativePoints.length)) {\n\n if (status.locked) {\n page.x += status.dx;\n page.y += status.dy;\n client.x += status.dx;\n client.y += status.dy;\n }\n\n return {\n range : status.range,\n locked : status.locked,\n x : status.modifiedX,\n y : status.modifiedY,\n realX : status.realX,\n realY : status.realY,\n dx : status.dx,\n dy : status.dy,\n };\n }\n },\n};\n\ninteract.createSnapGrid = function (grid) {\n return function (x, y) {\n const limits = grid.limits || {\n left : -Infinity,\n right : Infinity,\n top : -Infinity,\n bottom: Infinity,\n };\n let offsetX = 0;\n let offsetY = 0;\n\n if (utils.is.object(grid.offset)) {\n offsetX = grid.offset.x;\n offsetY = grid.offset.y;\n }\n\n const gridx = Math.round((x - offsetX) / grid.x);\n const gridy = Math.round((y - offsetY) / grid.y);\n\n const newX = Math.max(limits.left, Math.min(limits.right , gridx * grid.x + offsetX));\n const newY = Math.max(limits.top , Math.min(limits.bottom, gridy * grid.y + offsetY));\n\n return {\n x: newX,\n y: newY,\n range: grid.range,\n };\n };\n};\n\nmodifiers.snap = snap;\nmodifiers.names.push('snap');\n\ndefaultOptions.perAction.snap = snap.defaults;\n\nmodule.exports = snap;\n","// This module allows snapping of the size of targets during resize\n// interactions.\n\nconst modifiers = require('./index');\nconst snap = require('./snap');\nconst defaultOptions = require('../defaultOptions');\nconst resize = require('../actions/resize');\nconst utils = require('../utils/');\n\nconst snapSize = {\n defaults: {\n enabled: false,\n endOnly: false,\n range : Infinity,\n targets: null,\n offsets: null,\n },\n\n setOffset: function (arg) {\n const { interaction, options } = arg;\n const edges = interaction.prepared.edges;\n\n if (!edges) { return; }\n\n arg.options = {\n relativePoints: [{\n x: edges.left? 0 : 1,\n y: edges.top ? 0 : 1,\n }],\n origin: { x: 0, y: 0 },\n offset: 'self',\n range: options.range,\n };\n\n const offsets = snap.setOffset(arg);\n arg.options = options;\n\n return offsets;\n },\n\n set: function (arg) {\n const { interaction, options, offset, pageCoords } = arg;\n const page = utils.extend({}, pageCoords);\n const relativeX = page.x - offset[0].x;\n const relativeY = page.y - offset[0].y;\n\n arg.options = utils.extend({}, options);\n arg.options.targets = [];\n\n for (const snapTarget of options.targets) {\n let target;\n\n if (utils.is.function(snapTarget)) {\n target = snapTarget(relativeX, relativeY, interaction);\n }\n else {\n target = snapTarget;\n }\n\n if (!target) { continue; }\n\n if ('width' in target && 'height' in target) {\n target.x = target.width;\n target.y = target.height;\n }\n\n arg.options.targets.push(target);\n }\n\n snap.set(arg);\n },\n\n modifyCoords: function (arg) {\n const { options } = arg;\n\n arg.options = utils.extend({}, options);\n arg.options.enabled = options.enabled;\n arg.options.relativePoints = [null];\n\n snap.modifyCoords(arg);\n },\n};\n\nmodifiers.snapSize = snapSize;\nmodifiers.names.push('snapSize');\n\ndefaultOptions.perAction.snapSize = snapSize.defaults;\nresize.defaults.snapSize = snapSize.defaults;\n\nmodule.exports = snapSize;\n","const pointerUtils = require('../utils/pointerUtils');\n\nmodule.exports = class PointerEvent {\n constructor (type, pointer, event, eventTarget, interaction) {\n pointerUtils.pointerExtend(this, event);\n\n if (event !== pointer) {\n pointerUtils.pointerExtend(this, pointer);\n }\n\n this.interaction = interaction;\n\n this.timeStamp = new Date().getTime();\n this.originalEvent = event;\n this.type = type;\n this.pointerId = pointerUtils.getPointerId(pointer);\n this.pointerType = pointerUtils.getPointerType(pointer);\n this.target = eventTarget;\n this.currentTarget = null;\n\n if (type === 'tap') {\n const pointerIndex = interaction.getPointerIndex(pointer);\n this.dt = this.timeStamp - interaction.downTimes[pointerIndex];\n\n const interval = this.timeStamp - interaction.tapTime;\n\n this.double = !!(interaction.prevTap\n && interaction.prevTap.type !== 'doubletap'\n && interaction.prevTap.target === this.target\n && interval < 500);\n }\n else if (type === 'doubletap') {\n this.dt = pointer.timeStamp - interaction.tapTime;\n }\n }\n\n subtractOrigin ({ x: originX, y: originY }) {\n this.pageX -= originX;\n this.pageY -= originY;\n this.clientX -= originX;\n this.clientY -= originY;\n\n return this;\n }\n\n addOrigin ({ x: originX, y: originY }) {\n this.pageX += originX;\n this.pageY += originY;\n this.clientX += originX;\n this.clientY += originY;\n\n return this;\n }\n\n preventDefault () {\n this.originalEvent.preventDefault();\n }\n\n stopPropagation () {\n this.propagationStopped = true;\n }\n\n stopImmediatePropagation () {\n this.immediatePropagationStopped = this.propagationStopped = true;\n }\n};\n","const PointerEvent = require('./PointerEvent');\nconst Interaction = require('../Interaction');\nconst utils = require('../utils');\nconst browser = require('../utils/browser');\nconst defaults = require('../defaultOptions');\nconst signals = require('../utils/Signals').new();\nconst { filter } = require('../utils/arr');\n\nconst simpleSignals = [ 'down', 'up', 'cancel' ];\nconst simpleEvents = [ 'down', 'up', 'cancel' ];\n\nconst pointerEvents = {\n PointerEvent,\n fire,\n collectEventTargets,\n signals,\n defaults: {\n holdDuration: 600,\n ignoreFrom : null,\n allowFrom : null,\n origin : { x: 0, y: 0 },\n },\n types: [\n 'down',\n 'move',\n 'up',\n 'cancel',\n 'tap',\n 'doubletap',\n 'hold',\n ],\n};\n\nfunction fire (arg) {\n const {\n interaction, pointer, event, eventTarget,\n type = arg.pointerEvent.type,\n targets = collectEventTargets(arg),\n pointerEvent = new PointerEvent(type, pointer, event, eventTarget, interaction),\n } = arg;\n\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n targets,\n type,\n pointerEvent,\n };\n\n for (let i = 0; i < targets.length; i++) {\n const target = targets[i];\n\n for (const prop in target.props || {}) {\n pointerEvent[prop] = target.props[prop];\n }\n\n const origin = utils.getOriginXY(target.eventable, target.element);\n\n pointerEvent.subtractOrigin(origin);\n pointerEvent.eventable = target.eventable;\n pointerEvent.currentTarget = target.element;\n\n target.eventable.fire(pointerEvent);\n\n pointerEvent.addOrigin(origin);\n\n if (pointerEvent.immediatePropagationStopped\n || (pointerEvent.propagationStopped\n && (i + 1) < targets.length && targets[i + 1].element !== pointerEvent.currentTarget)) {\n break;\n }\n }\n\n signals.fire('fired', signalArg);\n\n if (type === 'tap') {\n // if pointerEvent should make a double tap, create and fire a doubletap\n // PointerEvent and use that as the prevTap\n const prevTap = pointerEvent.double\n ? fire({\n interaction, pointer, event, eventTarget,\n type: 'doubletap',\n })\n : pointerEvent;\n\n interaction.prevTap = prevTap;\n interaction.tapTime = prevTap.timeStamp;\n }\n\n return pointerEvent;\n}\n\nfunction collectEventTargets ({ interaction, pointer, event, eventTarget, type }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n // do not fire a tap event if the pointer was moved before being lifted\n if (type === 'tap' && (interaction.pointerWasMoved\n // or if the pointerup target is different to the pointerdown target\n || !(interaction.downTargets[pointerIndex] && interaction.downTargets[pointerIndex] === eventTarget))) {\n return [];\n }\n\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type,\n path,\n targets: [],\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (type === 'hold') {\n signalArg.targets = filter(signalArg.targets, target =>\n target.eventable.options.holdDuration === interaction.holdTimers[pointerIndex].duration);\n }\n\n return signalArg.targets;\n}\n\nInteraction.signals.on('update-pointer-down', function ({ interaction, pointerIndex }) {\n interaction.holdTimers[pointerIndex] = { duration: Infinity, timeout: null };\n});\n\nInteraction.signals.on('remove-pointer', function ({ interaction, pointerIndex }) {\n interaction.holdTimers.splice(pointerIndex, 1);\n});\n\nInteraction.signals.on('move', function ({ interaction, pointer, event, eventTarget, duplicateMove }) {\n const pointerIndex = interaction.getPointerIndex(pointer);\n\n if (!duplicateMove && (!interaction.pointerIsDown || interaction.pointerWasMoved)) {\n if (interaction.pointerIsDown) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n\n fire({\n interaction, pointer, event, eventTarget,\n type: 'move',\n });\n }\n});\n\nInteraction.signals.on('down', function ({ interaction, pointer, event, eventTarget, pointerIndex }) {\n // copy event to be used in timeout for IE8\n const eventCopy = browser.isIE8? utils.extend({}, event) : event;\n\n const timer = interaction.holdTimers[pointerIndex];\n const path = utils.getPath(eventTarget);\n const signalArg = {\n interaction,\n pointer,\n event,\n eventTarget,\n type: 'hold',\n targets: [],\n path,\n element: null,\n };\n\n for (const element of path) {\n signalArg.element = element;\n\n signals.fire('collect-targets', signalArg);\n }\n\n if (!signalArg.targets.length) { return; }\n\n let minDuration = Infinity;\n\n for (let i = 0; i < signalArg.targets.length; i++) {\n const target = signalArg.targets[i];\n const holdDuration = target.eventable.options.holdDuration;\n\n if (holdDuration < minDuration) {\n minDuration = holdDuration;\n }\n }\n\n timer.duration = minDuration;\n timer.timeout = setTimeout(function () {\n fire({\n interaction,\n eventTarget,\n pointer: browser.isIE8? eventCopy : pointer,\n event: eventCopy,\n type: 'hold',\n });\n }, minDuration);\n});\n\nInteraction.signals.on('up', ({ interaction, pointer, event, eventTarget }) => {\n if (!interaction.pointerWasMoved) {\n fire({ interaction, eventTarget, pointer, event, type: 'tap' });\n }\n});\n\n['up', 'cancel'].forEach(function (signalName) {\n Interaction.signals.on(signalName, function ({ interaction, pointerIndex }) {\n if (interaction.holdTimers[pointerIndex]) {\n clearTimeout(interaction.holdTimers[pointerIndex].timeout);\n }\n });\n});\n\nfunction createSignalListener (type) {\n return function ({ interaction, pointer, event, eventTarget }) {\n fire({ interaction, eventTarget, pointer, event, type });\n };\n}\n\nfor (let i = 0; i < simpleSignals.length; i++) {\n Interaction.signals.on(simpleSignals[i], createSignalListener(simpleEvents[i]));\n}\n\nInteraction.signals.on('new', function (interaction) {\n interaction.prevTap = null; // the most recent tap event on this interaction\n interaction.tapTime = 0; // time of the most recent tap event\n interaction.holdTimers = []; // [{ duration, timeout }]\n});\n\ndefaults.pointerEvents = pointerEvents.defaults;\nmodule.exports = pointerEvents;\n","const pointerEvents = require('./base');\nconst Interaction = require('../Interaction');\n\npointerEvents.signals.on('new', onNew);\npointerEvents.signals.on('fired', onFired);\n\nfor (const signal of ['move', 'up', 'cancel', 'endall']) {\n Interaction.signals.on(signal, endHoldRepeat);\n}\n\nfunction onNew ({ pointerEvent }) {\n if (pointerEvent.type !== 'hold') { return; }\n\n pointerEvent.count = (pointerEvent.count || 0) + 1;\n}\n\nfunction onFired ({ interaction, pointerEvent, eventTarget, targets }) {\n if (pointerEvent.type !== 'hold' || !targets.length) { return; }\n\n // get the repeat interval from the first eventable\n const interval = targets[0].eventable.options.holdRepeatInterval;\n\n // don't repeat if the interval is 0 or less\n if (interval <= 0) { return; }\n\n // set a timeout to fire the holdrepeat event\n interaction.holdIntervalHandle = setTimeout(function () {\n pointerEvents.fire({\n interaction,\n eventTarget,\n type: 'hold',\n pointer: pointerEvent,\n event: pointerEvent,\n });\n }, interval);\n}\n\nfunction endHoldRepeat ({ interaction }) {\n // set the interaction's holdStopTime property\n // to stop further holdRepeat events\n if (interaction.holdIntervalHandle) {\n clearInterval(interaction.holdIntervalHandle);\n interaction.holdIntervalHandle = null;\n }\n}\n\n// don't repeat by default\npointerEvents.defaults.holdRepeatInterval = 0;\npointerEvents.types.push('holdrepeat');\n\nmodule.exports = {\n onNew,\n onFired,\n endHoldRepeat,\n};\n","const pointerEvents = require('./base');\nconst Interactable = require('../Interactable');\nconst browser = require('../utils/browser');\nconst is = require('../utils/is');\nconst domUtils = require('../utils/domUtils');\nconst scope = require('../scope');\nconst extend = require('../utils/extend');\nconst { merge } = require('../utils/arr');\n\npointerEvents.signals.on('collect-targets', function ({ targets, element, type, eventTarget }) {\n function collectSelectors (interactable, selector, context) {\n const els = browser.useMatchesSelectorPolyfill\n ? context.querySelectorAll(selector)\n : undefined;\n\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && is.element(element)\n && domUtils.matchesSelector(element, selector, els)\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n const interactable = scope.interactables.get(element);\n\n if (interactable) {\n const eventable = interactable.events;\n const options = eventable.options;\n\n if (eventable[type]\n && interactable.testIgnoreAllow(options, element, eventTarget)) {\n targets.push({\n element,\n eventable,\n props: { interactable },\n });\n }\n }\n\n scope.interactables.forEachSelector(collectSelectors, element);\n});\n\nInteractable.signals.on('new', function ({ interactable }) {\n interactable.events.getRect = function (element) {\n return interactable.getRect(element);\n };\n});\n\nInteractable.signals.on('set', function ({ interactable, options }) {\n extend(interactable.events.options, pointerEvents.defaults);\n extend(interactable.events.options, options);\n});\n\nmerge(Interactable.eventTypes, pointerEvents.types);\n\nInteractable.prototype.pointerEvents = function (options) {\n extend(this.events.options, options);\n\n return this;\n};\n\nconst __backCompatOption = Interactable.prototype._backCompatOption;\n\nInteractable.prototype._backCompatOption = function (optionName, newValue) {\n const ret = __backCompatOption.call(this, optionName, newValue);\n\n if (ret === this) {\n this.events.options[optionName] = newValue;\n }\n\n return ret;\n};\n\nInteractable.settingsMethods.push('pointerEvents');\n","const utils = require('./utils');\nconst events = require('./utils/events');\nconst signals = require('./utils/Signals').new();\n\nconst scope = {\n signals,\n events,\n utils,\n\n // main document\n document: require('./utils/domObjects').document,\n // all documents being listened to\n documents: [],\n\n addDocument: function (doc, win) {\n // do nothing if document is already known\n if (utils.contains(scope.documents, doc)) { return false; }\n\n win = win || scope.getWindow(doc);\n\n scope.documents.push(doc);\n events.documents.push(doc);\n\n // don't add an unload event for the main document\n // so that the page may be cached in browser history\n if (doc !== scope.document) {\n events.add(win, 'unload', scope.onWindowUnload);\n }\n\n signals.fire('add-document', { doc, win });\n },\n\n removeDocument: function (doc, win) {\n const index = utils.indexOf(scope.documents, doc);\n\n win = win || scope.getWindow(doc);\n\n events.remove(win, 'unload', scope.onWindowUnload);\n\n scope.documents.splice(index, 1);\n events.documents.splice(index, 1);\n\n signals.fire('remove-document', { win, doc });\n },\n\n onWindowUnload: function () {\n scope.removeDocument(this.document, this);\n },\n};\n\nmodule.exports = scope;\n","const { indexOf } = require('./arr');\n\nclass Signals {\n constructor () {\n this.listeners = {\n // signalName: [listeners],\n };\n }\n\n on (name, listener) {\n if (!this.listeners[name]) {\n this.listeners[name] = [listener];\n return;\n }\n\n this.listeners[name].push(listener);\n }\n\n off (name, listener) {\n if (!this.listeners[name]) { return; }\n\n const index = indexOf(this.listeners[name], listener);\n\n if (index !== -1) {\n this.listeners[name].splice(index, 1);\n }\n }\n\n fire (name, arg) {\n const targetListeners = this.listeners[name];\n\n if (!targetListeners) { return; }\n\n for (let i = 0; i < targetListeners.length; i++) {\n if (targetListeners[i](arg, name) === false) {\n return;\n }\n }\n }\n}\n\nSignals.new = function () {\n return new Signals();\n};\n\nmodule.exports = Signals;\n","function indexOf (array, target) {\n for (let i = 0, len = array.length; i < len; i++) {\n if (array[i] === target) {\n return i;\n }\n }\n\n return -1;\n}\n\nfunction contains (array, target) {\n return indexOf(array, target) !== -1;\n}\n\nfunction merge (target, source) {\n for (let i = 0; i < source.length; i++) {\n target.push(source[i]);\n }\n\n return target;\n}\n\nfunction filter (array, test) {\n const result = [];\n\n for (let i = 0; i < array.length; i++) {\n if (test(array[i])) {\n result.push(array[i]);\n }\n }\n\n return result;\n}\n\nmodule.exports = {\n indexOf,\n contains,\n merge,\n filter,\n};\n","const { window } = require('./window');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst Element = domObjects.Element;\nconst navigator = window.navigator;\n\nconst browser = {\n // Does the browser support touch input?\n supportsTouch: !!(('ontouchstart' in window) || is.function(window.DocumentTouch)\n && domObjects.document instanceof window.DocumentTouch),\n\n // Does the browser support PointerEvents\n supportsPointerEvent: !!domObjects.PointerEvent,\n\n isIE8: ('attachEvent' in window) && !('addEventListener' in window),\n\n // Opera Mobile must be handled differently\n isOperaMobile: (navigator.appName === 'Opera'\n && browser.supportsTouch\n && navigator.userAgent.match('Presto')),\n\n // scrolling doesn't change the result of getClientRects on iOS 7\n isIOS7: (/iP(hone|od|ad)/.test(navigator.platform)\n && /OS 7[^\\d]/.test(navigator.appVersion)),\n\n isIe9OrOlder: /MSIE (8|9)/.test(navigator.userAgent),\n\n // prefix matchesSelector\n prefixedMatchesSelector: 'matches' in Element.prototype\n ? 'matches': 'webkitMatchesSelector' in Element.prototype\n ? 'webkitMatchesSelector': 'mozMatchesSelector' in Element.prototype\n ? 'mozMatchesSelector': 'oMatchesSelector' in Element.prototype\n ? 'oMatchesSelector': 'msMatchesSelector',\n\n useMatchesSelectorPolyfill: false,\n\n pEventTypes: (domObjects.PointerEvent\n ? (domObjects.PointerEvent === window.MSPointerEvent\n ? {\n up: 'MSPointerUp',\n down: 'MSPointerDown',\n over: 'mouseover',\n out: 'mouseout',\n move: 'MSPointerMove',\n cancel: 'MSPointerCancel',\n }\n : {\n up: 'pointerup',\n down: 'pointerdown',\n over: 'pointerover',\n out: 'pointerout',\n move: 'pointermove',\n cancel: 'pointercancel',\n })\n : null),\n\n // because Webkit and Opera still use 'mousewheel' event type\n wheelEvent: 'onmousewheel' in domObjects.document? 'mousewheel': 'wheel',\n\n};\n\nbrowser.useMatchesSelectorPolyfill = !is.function(Element.prototype[browser.prefixedMatchesSelector]);\n\nmodule.exports = browser;\n","const domObjects = {};\nconst win = require('./window').window;\n\nfunction blank () {}\n\ndomObjects.document = win.document;\ndomObjects.DocumentFragment = win.DocumentFragment || blank;\ndomObjects.SVGElement = win.SVGElement || blank;\ndomObjects.SVGSVGElement = win.SVGSVGElement || blank;\ndomObjects.SVGElementInstance = win.SVGElementInstance || blank;\ndomObjects.Element = win.Element || blank;\ndomObjects.HTMLElement = win.HTMLElement || domObjects.Element;\n\ndomObjects.Event = win.Event;\ndomObjects.Touch = win.Touch || blank;\ndomObjects.PointerEvent = (win.PointerEvent || win.MSPointerEvent);\n\nmodule.exports = domObjects;\n","const win = require('./window');\nconst browser = require('./browser');\nconst is = require('./is');\nconst domObjects = require('./domObjects');\n\nconst domUtils = {\n nodeContains: function (parent, child) {\n while (child) {\n if (child === parent) {\n return true;\n }\n\n child = child.parentNode;\n }\n\n return false;\n },\n\n closest: function (element, selector) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) { return element; }\n\n element = domUtils.parentNode(element);\n }\n\n return null;\n },\n\n parentNode: function (node) {\n let parent = node.parentNode;\n\n if (is.docFrag(parent)) {\n // skip past #shado-root fragments\n while ((parent = parent.host) && is.docFrag(parent)) {\n continue;\n }\n\n return parent;\n }\n\n return parent;\n },\n\n // taken from http://tanalin.com/en/blog/2012/12/matches-selector-ie8/ and modified\n matchesSelectorPolyfill: browser.useMatchesSelectorPolyfill\n ? function (element, selector, elems) {\n elems = elems || element.parentNode.querySelectorAll(selector);\n\n for (let i = 0, len = elems.length; i < len; i++) {\n if (elems[i] === element) {\n return true;\n }\n }\n\n return false;\n }\n : null,\n\n matchesSelector: function (element, selector, nodeList) {\n if (browser.useMatchesSelectorPolyfill) {\n return domUtils.matchesSelectorPolyfill(element, selector, nodeList);\n }\n\n // remove /deep/ from selectors if shadowDOM polyfill is used\n if (win.window !== win.realWindow) {\n selector = selector.replace(/\\/deep\\//g, ' ');\n }\n\n return element[browser.prefixedMatchesSelector](selector);\n },\n\n // Test for the element that's \"above\" all other qualifiers\n indexOfDeepestElement: function (elements) {\n let deepestZoneParents = [];\n let dropzoneParents = [];\n let dropzone;\n let deepestZone = elements[0];\n let index = deepestZone? 0: -1;\n let parent;\n let child;\n let i;\n let n;\n\n for (i = 1; i < elements.length; i++) {\n dropzone = elements[i];\n\n // an element might belong to multiple selector dropzones\n if (!dropzone || dropzone === deepestZone) {\n continue;\n }\n\n if (!deepestZone) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n // check if the deepest or current are document.documentElement or document.rootElement\n // - if the current dropzone is, do nothing and continue\n if (dropzone.parentNode === dropzone.ownerDocument) {\n continue;\n }\n // - if deepest is, update with the current dropzone and continue to next\n else if (deepestZone.parentNode === dropzone.ownerDocument) {\n deepestZone = dropzone;\n index = i;\n continue;\n }\n\n if (!deepestZoneParents.length) {\n parent = deepestZone;\n while (parent.parentNode && parent.parentNode !== parent.ownerDocument) {\n deepestZoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n }\n\n // if this element is an svg element and the current deepest is\n // an HTMLElement\n if (deepestZone instanceof domObjects.HTMLElement\n && dropzone instanceof domObjects.SVGElement\n && !(dropzone instanceof domObjects.SVGSVGElement)) {\n\n if (dropzone === deepestZone.parentNode) {\n continue;\n }\n\n parent = dropzone.ownerSVGElement;\n }\n else {\n parent = dropzone;\n }\n\n dropzoneParents = [];\n\n while (parent.parentNode !== parent.ownerDocument) {\n dropzoneParents.unshift(parent);\n parent = parent.parentNode;\n }\n\n n = 0;\n\n // get (position of last common ancestor) + 1\n while (dropzoneParents[n] && dropzoneParents[n] === deepestZoneParents[n]) {\n n++;\n }\n\n const parents = [\n dropzoneParents[n - 1],\n dropzoneParents[n],\n deepestZoneParents[n],\n ];\n\n child = parents[0].lastChild;\n\n while (child) {\n if (child === parents[1]) {\n deepestZone = dropzone;\n index = i;\n deepestZoneParents = [];\n\n break;\n }\n else if (child === parents[2]) {\n break;\n }\n\n child = child.previousSibling;\n }\n }\n\n return index;\n },\n\n matchesUpTo: function (element, selector, limit) {\n while (is.element(element)) {\n if (domUtils.matchesSelector(element, selector)) {\n return true;\n }\n\n element = domUtils.parentNode(element);\n\n if (element === limit) {\n return domUtils.matchesSelector(element, selector);\n }\n }\n\n return false;\n },\n\n getActualElement: function (element) {\n return (element instanceof domObjects.SVGElementInstance\n ? element.correspondingUseElement\n : element);\n },\n\n getScrollXY: function (relevantWindow) {\n relevantWindow = relevantWindow || win.window;\n return {\n x: relevantWindow.scrollX || relevantWindow.document.documentElement.scrollLeft,\n y: relevantWindow.scrollY || relevantWindow.document.documentElement.scrollTop,\n };\n },\n\n getElementClientRect: function (element) {\n const clientRect = (element instanceof domObjects.SVGElement\n ? element.getBoundingClientRect()\n : element.getClientRects()[0]);\n\n return clientRect && {\n left : clientRect.left,\n right : clientRect.right,\n top : clientRect.top,\n bottom: clientRect.bottom,\n width : clientRect.width || clientRect.right - clientRect.left,\n height: clientRect.height || clientRect.bottom - clientRect.top,\n };\n },\n\n getElementRect: function (element) {\n const clientRect = domUtils.getElementClientRect(element);\n\n if (!browser.isIOS7 && clientRect) {\n const scroll = domUtils.getScrollXY(win.getWindow(element));\n\n clientRect.left += scroll.x;\n clientRect.right += scroll.x;\n clientRect.top += scroll.y;\n clientRect.bottom += scroll.y;\n }\n\n return clientRect;\n },\n\n getPath: function (element) {\n const path = [];\n\n while (element) {\n path.push(element);\n element = domUtils.parentNode(element);\n }\n\n return path;\n },\n\n trySelector: value => {\n if (!is.string(value)) { return false; }\n\n // an exception will be raised if it is invalid\n domObjects.document.querySelector(value);\n return true;\n },\n};\n\nmodule.exports = domUtils;\n","const is = require('./is');\nconst domUtils = require('./domUtils');\nconst pExtend = require('./pointerExtend');\n\nconst { window, getWindow } = require('./window');\nconst { indexOf, contains } = require('./arr');\n\nconst useAttachEvent = ('attachEvent' in window) && !('addEventListener' in window);\nconst addEvent = useAttachEvent? 'attachEvent': 'addEventListener';\nconst removeEvent = useAttachEvent? 'detachEvent': 'removeEventListener';\nconst on = useAttachEvent? 'on': '';\n\nconst elements = [];\nconst targets = [];\nconst attachedListeners = [];\n\n// {\n// type: {\n// selectors: ['selector', ...],\n// contexts : [document, ...],\n// listeners: [[listener, capture, passive], ...]\n// }\n// }\nconst delegatedEvents = {};\n\nconst documents = [];\n\nconst supportsOptions = !useAttachEvent && (() => {\n let supported = false;\n\n window.document.createElement('div').addEventListener('test', null, {\n get capture () { supported = true; },\n });\n\n return supported;\n})();\n\nfunction add (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n let elementIndex = indexOf(elements, element);\n let target = targets[elementIndex];\n\n if (!target) {\n target = {\n events: {},\n typeCount: 0,\n };\n\n elementIndex = elements.push(element) - 1;\n targets.push(target);\n\n attachedListeners.push(useAttachEvent\n ? {\n supplied: [],\n wrapped : [],\n useCount: [],\n }\n : null);\n }\n\n if (!target.events[type]) {\n target.events[type] = [];\n target.typeCount++;\n }\n\n if (!contains(target.events[type], listener)) {\n let ret;\n\n if (useAttachEvent) {\n const { supplied, wrapped, useCount } = attachedListeners[elementIndex];\n const listenerIndex = indexOf(supplied, listener);\n\n const wrappedListener = wrapped[listenerIndex] || function (event) {\n if (!event.immediatePropagationStopped) {\n event.target = event.srcElement;\n event.currentTarget = element;\n\n event.preventDefault = event.preventDefault || preventDef;\n event.stopPropagation = event.stopPropagation || stopProp;\n event.stopImmediatePropagation = event.stopImmediatePropagation || stopImmProp;\n\n if (/mouse|click/.test(event.type)) {\n event.pageX = event.clientX + getWindow(element).document.documentElement.scrollLeft;\n event.pageY = event.clientY + getWindow(element).document.documentElement.scrollTop;\n }\n\n listener(event);\n }\n };\n\n ret = element[addEvent](on + type, wrappedListener, !!options.capture);\n\n if (listenerIndex === -1) {\n supplied.push(listener);\n wrapped.push(wrappedListener);\n useCount.push(1);\n }\n else {\n useCount[listenerIndex]++;\n }\n }\n else {\n ret = element[addEvent](type, listener, supportsOptions? options : !!options.capture);\n }\n target.events[type].push(listener);\n\n return ret;\n }\n}\n\nfunction remove (element, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const elementIndex = indexOf(elements, element);\n const target = targets[elementIndex];\n\n if (!target || !target.events) {\n return;\n }\n\n let wrappedListener = listener;\n let listeners;\n let listenerIndex;\n\n if (useAttachEvent) {\n listeners = attachedListeners[elementIndex];\n listenerIndex = indexOf(listeners.supplied, listener);\n wrappedListener = listeners.wrapped[listenerIndex];\n }\n\n if (type === 'all') {\n for (type in target.events) {\n if (target.events.hasOwnProperty(type)) {\n remove(element, type, 'all');\n }\n }\n return;\n }\n\n if (target.events[type]) {\n const len = target.events[type].length;\n\n if (listener === 'all') {\n for (let i = 0; i < len; i++) {\n remove(element, type, target.events[type][i], options);\n }\n return;\n }\n else {\n for (let i = 0; i < len; i++) {\n if (target.events[type][i] === listener) {\n element[removeEvent](on + type, wrappedListener, supportsOptions? options : !!options.capture);\n target.events[type].splice(i, 1);\n\n if (useAttachEvent && listeners) {\n listeners.useCount[listenerIndex]--;\n if (listeners.useCount[listenerIndex] === 0) {\n listeners.supplied.splice(listenerIndex, 1);\n listeners.wrapped.splice(listenerIndex, 1);\n listeners.useCount.splice(listenerIndex, 1);\n }\n }\n\n break;\n }\n }\n }\n\n if (target.events[type] && target.events[type].length === 0) {\n target.events[type] = null;\n target.typeCount--;\n }\n }\n\n if (!target.typeCount) {\n targets.splice(elementIndex, 1);\n elements.splice(elementIndex, 1);\n attachedListeners.splice(elementIndex, 1);\n }\n}\n\nfunction addDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n if (!delegatedEvents[type]) {\n delegatedEvents[type] = {\n selectors: [],\n contexts : [],\n listeners: [],\n };\n\n // add delegate listener functions\n for (let i = 0; i < documents.length; i++) {\n add(documents[i], type, delegateListener);\n add(documents[i], type, delegateUseCapture, true);\n }\n }\n\n const delegated = delegatedEvents[type];\n let index;\n\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n break;\n }\n }\n\n if (index === -1) {\n index = delegated.selectors.length;\n\n delegated.selectors.push(selector);\n delegated.contexts .push(context);\n delegated.listeners.push([]);\n }\n\n // keep listener and capture and passive flags\n delegated.listeners[index].push([listener, !!options.capture, options.passive]);\n}\n\nfunction removeDelegate (selector, context, type, listener, optionalArg) {\n const options = getOptions(optionalArg);\n const delegated = delegatedEvents[type];\n let matchFound = false;\n let index;\n\n if (!delegated) { return; }\n\n // count from last index of delegated to 0\n for (index = delegated.selectors.length - 1; index >= 0; index--) {\n // look for matching selector and context Node\n if (delegated.selectors[index] === selector\n && delegated.contexts[index] === context) {\n\n const listeners = delegated.listeners[index];\n\n // each item of the listeners array is an array: [function, capture, passive]\n for (let i = listeners.length - 1; i >= 0; i--) {\n const [fn, capture, passive] = listeners[i];\n\n // check if the listener functions and capture and passive flags match\n if (fn === listener && capture === !!options.capture && passive === options.passive) {\n // remove the listener from the array of listeners\n listeners.splice(i, 1);\n\n // if all listeners for this interactable have been removed\n // remove the interactable from the delegated arrays\n if (!listeners.length) {\n delegated.selectors.splice(index, 1);\n delegated.contexts .splice(index, 1);\n delegated.listeners.splice(index, 1);\n\n // remove delegate function from context\n remove(context, type, delegateListener);\n remove(context, type, delegateUseCapture, true);\n\n // remove the arrays if they are empty\n if (!delegated.selectors.length) {\n delegatedEvents[type] = null;\n }\n }\n\n // only remove one listener\n matchFound = true;\n break;\n }\n }\n\n if (matchFound) { break; }\n }\n }\n}\n\n// bound to the interactable context when a DOM event\n// listener is added to a selector interactable\nfunction delegateListener (event, optionalArg) {\n const options = getOptions(optionalArg);\n const fakeEvent = {};\n const delegated = delegatedEvents[event.type];\n const eventTarget = (domUtils.getActualElement(event.path\n ? event.path[0]\n : event.target));\n let element = eventTarget;\n\n // duplicate the event so that currentTarget can be changed\n pExtend(fakeEvent, event);\n\n fakeEvent.originalEvent = event;\n fakeEvent.preventDefault = preventOriginalDefault;\n\n // climb up document tree looking for selector matches\n while (is.element(element)) {\n for (let i = 0; i < delegated.selectors.length; i++) {\n const selector = delegated.selectors[i];\n const context = delegated.contexts[i];\n\n if (domUtils.matchesSelector(element, selector)\n && domUtils.nodeContains(context, eventTarget)\n && domUtils.nodeContains(context, element)) {\n\n const listeners = delegated.listeners[i];\n\n fakeEvent.currentTarget = element;\n\n for (let j = 0; j < listeners.length; j++) {\n const [fn, capture, passive] = listeners[j];\n\n if (capture === !!options.capture && passive === options.passive) {\n fn(fakeEvent);\n }\n }\n }\n }\n\n element = domUtils.parentNode(element);\n }\n}\n\nfunction delegateUseCapture (event) {\n return delegateListener.call(this, event, true);\n}\n\nfunction preventDef () {\n this.returnValue = false;\n}\n\nfunction preventOriginalDefault () {\n this.originalEvent.preventDefault();\n}\n\nfunction stopProp () {\n this.cancelBubble = true;\n}\n\nfunction stopImmProp () {\n this.cancelBubble = true;\n this.immediatePropagationStopped = true;\n}\n\nfunction getOptions (param) {\n return is.object(param)? param : { capture: param };\n}\n\nmodule.exports = {\n add,\n remove,\n\n addDelegate,\n removeDelegate,\n\n delegateListener,\n delegateUseCapture,\n delegatedEvents,\n documents,\n\n useAttachEvent,\n supportsOptions,\n\n _elements: elements,\n _targets: targets,\n _attachedListeners: attachedListeners,\n};\n","module.exports = function extend (dest, source) {\n for (const prop in source) {\n dest[prop] = source[prop];\n }\n return dest;\n};\n","const {\n resolveRectLike,\n rectToXY,\n} = require('./rect');\n\nmodule.exports = function (target, element, action) {\n const actionOptions = target.options[action];\n const actionOrigin = actionOptions && actionOptions.origin;\n const origin = actionOrigin || target.options.origin;\n\n const originRect = resolveRectLike(origin, target, element, [target && element]);\n\n return rectToXY(originRect) || { x: 0, y: 0 };\n};\n","module.exports = (x, y) => Math.sqrt(x * x + y * y);\n","const extend = require('./extend');\nconst win = require('./window');\n\nconst utils = {\n warnOnce: function (method, message) {\n let warned = false;\n\n return function () {\n if (!warned) {\n win.window.console.warn(message);\n warned = true;\n }\n\n return method.apply(this, arguments);\n };\n },\n\n // http://stackoverflow.com/a/5634528/2280888\n _getQBezierValue: function (t, p1, p2, p3) {\n const iT = 1 - t;\n return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;\n },\n\n getQuadraticCurvePoint: function (startX, startY, cpX, cpY, endX, endY, position) {\n return {\n x: utils._getQBezierValue(position, startX, cpX, endX),\n y: utils._getQBezierValue(position, startY, cpY, endY),\n };\n },\n\n // http://gizma.com/easing/\n easeOutQuad: function (t, b, c, d) {\n t /= d;\n return -c * t*(t-2) + b;\n },\n\n copyAction: function (dest, src) {\n dest.name = src.name;\n dest.axis = src.axis;\n dest.edges = src.edges;\n\n return dest;\n },\n\n is : require('./is'),\n extend : extend,\n hypot : require('./hypot'),\n getOriginXY: require('./getOriginXY'),\n};\n\nextend(utils, require('./arr'));\nextend(utils, require('./domUtils'));\nextend(utils, require('./pointerUtils'));\nextend(utils, require('./rect'));\n\nmodule.exports = utils;\n","const scope = require('../scope');\nconst utils = require('./index');\n\nconst finder = {\n methodOrder: [ 'simulationResume', 'mouseOrPen', 'hasPointer', 'idle' ],\n\n search: function (pointer, eventType, eventTarget) {\n const pointerType = utils.getPointerType(pointer);\n const pointerId = utils.getPointerId(pointer);\n const details = { pointer, pointerId, pointerType, eventType, eventTarget };\n\n for (const method of finder.methodOrder) {\n const interaction = finder[method](details);\n\n if (interaction) {\n return interaction;\n }\n }\n },\n\n // try to resume simulation with a new pointer\n simulationResume: function ({ pointerType, eventType, eventTarget }) {\n if (!/down|start/i.test(eventType)) {\n return null;\n }\n\n for (const interaction of scope.interactions) {\n let element = eventTarget;\n\n if (interaction.simulation && interaction.simulation.allowResume\n && (interaction.pointerType === pointerType)) {\n while (element) {\n // if the element is the interaction element\n if (element === interaction.element) {\n return interaction;\n }\n element = utils.parentNode(element);\n }\n }\n }\n\n return null;\n },\n\n // if it's a mouse or pen interaction\n mouseOrPen: function ({ pointerId, pointerType, eventType }) {\n if (pointerType !== 'mouse' && pointerType !== 'pen') {\n return null;\n }\n\n let firstNonActive;\n\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType) {\n // if it's a down event, skip interactions with running simulations\n if (interaction.simulation && !utils.contains(interaction.pointerIds, pointerId)) { continue; }\n\n // if the interaction is active, return it immediately\n if (interaction.interacting()) {\n return interaction;\n }\n // otherwise save it and look for another active interaction\n else if (!firstNonActive) {\n firstNonActive = interaction;\n }\n }\n }\n\n // if no active mouse interaction was found use the first inactive mouse\n // interaction\n if (firstNonActive) {\n return firstNonActive;\n }\n\n // find any mouse or pen interaction.\n // ignore the interaction if the eventType is a *down, and a simulation\n // is active\n for (const interaction of scope.interactions) {\n if (interaction.pointerType === pointerType && !(/down/i.test(eventType) && interaction.simulation)) {\n return interaction;\n }\n }\n\n return null;\n },\n\n // get interaction that has this pointer\n hasPointer: function ({ pointerId }) {\n for (const interaction of scope.interactions) {\n if (utils.contains(interaction.pointerIds, pointerId)) {\n return interaction;\n }\n }\n },\n\n // get first idle interaction with a matching pointerType\n idle: function ({ pointerType }) {\n for (const interaction of scope.interactions) {\n // if there's already a pointer held down\n if (interaction.pointerIds.length === 1) {\n const target = interaction.target;\n // don't add this pointer if there is a target interactable and it\n // isn't gesturable\n if (target && !target.options.gesture.enabled) {\n continue;\n }\n }\n // maximum of 2 pointers per interaction\n else if (interaction.pointerIds.length >= 2) {\n continue;\n }\n\n if (!interaction.interacting() && (pointerType === interaction.pointerType)) {\n return interaction;\n }\n }\n\n return null;\n },\n};\n\nmodule.exports = finder;\n","const win = require('./window');\nconst isWindow = require('./isWindow');\n\nconst is = {\n array : () => {},\n\n window : thing => thing === win.window || isWindow(thing),\n\n docFrag : thing => is.object(thing) && thing.nodeType === 11,\n\n object : thing => !!thing && (typeof thing === 'object'),\n\n function: thing => typeof thing === 'function',\n\n number : thing => typeof thing === 'number' ,\n\n bool : thing => typeof thing === 'boolean' ,\n\n string : thing => typeof thing === 'string' ,\n\n element: thing => {\n if (!thing || (typeof thing !== 'object')) { return false; }\n\n const _window = win.getWindow(thing) || win.window;\n\n return (/object|function/.test(typeof _window.Element)\n ? thing instanceof _window.Element //DOM2\n : thing.nodeType === 1 && typeof thing.nodeName === 'string');\n },\n};\n\nis.array = thing => (is.object(thing)\n && (typeof thing.length !== 'undefined')\n && is.function(thing.splice));\n\nmodule.exports = is;\n","module.exports = (thing) => !!(thing && thing.Window) && (thing instanceof thing.Window);\n","function pointerExtend (dest, source) {\n for (const prop in source) {\n const prefixedPropREs = module.exports.prefixedPropREs;\n let deprecated = false;\n\n // skip deprecated prefixed properties\n for (const vendor in prefixedPropREs) {\n if (prop.indexOf(vendor) === 0 && prefixedPropREs[vendor].test(prop)) {\n deprecated = true;\n break;\n }\n }\n\n if (!deprecated && typeof source[prop] !== 'function') {\n dest[prop] = source[prop];\n }\n }\n return dest;\n}\n\npointerExtend.prefixedPropREs = {\n webkit: /(Movement[XY]|Radius[XY]|RotationAngle|Force)$/,\n};\n\nmodule.exports = pointerExtend;\n","const hypot = require('./hypot');\nconst browser = require('./browser');\nconst dom = require('./domObjects');\nconst domUtils = require('./domUtils');\nconst domObjects = require('./domObjects');\nconst is = require('./is');\nconst pointerExtend = require('./pointerExtend');\n\nconst pointerUtils = {\n copyCoords: function (dest, src) {\n dest.page = dest.page || {};\n dest.page.x = src.page.x;\n dest.page.y = src.page.y;\n\n dest.client = dest.client || {};\n dest.client.x = src.client.x;\n dest.client.y = src.client.y;\n\n dest.timeStamp = src.timeStamp;\n },\n\n setCoordDeltas: function (targetObj, prev, cur) {\n targetObj.page.x = cur.page.x - prev.page.x;\n targetObj.page.y = cur.page.y - prev.page.y;\n targetObj.client.x = cur.client.x - prev.client.x;\n targetObj.client.y = cur.client.y - prev.client.y;\n targetObj.timeStamp = cur.timeStamp - prev.timeStamp;\n\n // set pointer velocity\n const dt = Math.max(targetObj.timeStamp / 1000, 0.001);\n\n targetObj.page.speed = hypot(targetObj.page.x, targetObj.page.y) / dt;\n targetObj.page.vx = targetObj.page.x / dt;\n targetObj.page.vy = targetObj.page.y / dt;\n\n targetObj.client.speed = hypot(targetObj.client.x, targetObj.page.y) / dt;\n targetObj.client.vx = targetObj.client.x / dt;\n targetObj.client.vy = targetObj.client.y / dt;\n },\n\n isNativePointer: function (pointer) {\n return (pointer instanceof dom.Event || pointer instanceof dom.Touch);\n },\n\n // Get specified X/Y coords for mouse or event.touches[0]\n getXY: function (type, pointer, xy) {\n xy = xy || {};\n type = type || 'page';\n\n xy.x = pointer[type + 'X'];\n xy.y = pointer[type + 'Y'];\n\n return xy;\n },\n\n getPageXY: function (pointer, page) {\n page = page || {};\n\n // Opera Mobile handles the viewport and scrolling oddly\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n pointerUtils.getXY('screen', pointer, page);\n\n page.x += window.scrollX;\n page.y += window.scrollY;\n }\n else {\n pointerUtils.getXY('page', pointer, page);\n }\n\n return page;\n },\n\n getClientXY: function (pointer, client) {\n client = client || {};\n\n if (browser.isOperaMobile && pointerUtils.isNativePointer(pointer)) {\n // Opera Mobile handles the viewport and scrolling oddly\n pointerUtils.getXY('screen', pointer, client);\n }\n else {\n pointerUtils.getXY('client', pointer, client);\n }\n\n return client;\n },\n\n getPointerId: function (pointer) {\n return is.number(pointer.pointerId)? pointer.pointerId : pointer.identifier;\n },\n\n setCoords: function (targetObj, pointers, timeStamp) {\n const pointer = (pointers.length > 1\n ? pointerUtils.pointerAverage(pointers)\n : pointers[0]);\n\n const tmpXY = {};\n\n pointerUtils.getPageXY(pointer, tmpXY);\n targetObj.page.x = tmpXY.x;\n targetObj.page.y = tmpXY.y;\n\n pointerUtils.getClientXY(pointer, tmpXY);\n targetObj.client.x = tmpXY.x;\n targetObj.client.y = tmpXY.y;\n\n targetObj.timeStamp = is.number(timeStamp) ? timeStamp :new Date().getTime();\n },\n\n pointerExtend: pointerExtend,\n\n getTouchPair: function (event) {\n const touches = [];\n\n // array of touches is supplied\n if (is.array(event)) {\n touches[0] = event[0];\n touches[1] = event[1];\n }\n // an event\n else {\n if (event.type === 'touchend') {\n if (event.touches.length === 1) {\n touches[0] = event.touches[0];\n touches[1] = event.changedTouches[0];\n }\n else if (event.touches.length === 0) {\n touches[0] = event.changedTouches[0];\n touches[1] = event.changedTouches[1];\n }\n }\n else {\n touches[0] = event.touches[0];\n touches[1] = event.touches[1];\n }\n }\n\n return touches;\n },\n\n pointerAverage: function (pointers) {\n const average = {\n pageX : 0,\n pageY : 0,\n clientX: 0,\n clientY: 0,\n screenX: 0,\n screenY: 0,\n };\n\n for (const pointer of pointers) {\n for (const prop in average) {\n average[prop] += pointer[prop];\n }\n }\n for (const prop in average) {\n average[prop] /= pointers.length;\n }\n\n return average;\n },\n\n touchBBox: function (event) {\n if (!event.length && !(event.touches && event.touches.length > 1)) {\n return;\n }\n\n const touches = pointerUtils.getTouchPair(event);\n const minX = Math.min(touches[0].pageX, touches[1].pageX);\n const minY = Math.min(touches[0].pageY, touches[1].pageY);\n const maxX = Math.max(touches[0].pageX, touches[1].pageX);\n const maxY = Math.max(touches[0].pageY, touches[1].pageY);\n\n return {\n x: minX,\n y: minY,\n left: minX,\n top: minY,\n width: maxX - minX,\n height: maxY - minY,\n };\n },\n\n touchDistance: function (event, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n\n\n const dx = touches[0][sourceX] - touches[1][sourceX];\n const dy = touches[0][sourceY] - touches[1][sourceY];\n\n return hypot(dx, dy);\n },\n\n touchAngle: function (event, prevAngle, deltaSource) {\n const sourceX = deltaSource + 'X';\n const sourceY = deltaSource + 'Y';\n const touches = pointerUtils.getTouchPair(event);\n const dx = touches[1][sourceX] - touches[0][sourceX];\n const dy = touches[1][sourceY] - touches[0][sourceY];\n const angle = 180 * Math.atan2(dy , dx) / Math.PI;\n\n return angle;\n },\n\n getPointerType: function (pointer) {\n return is.string(pointer.pointerType)\n ? pointer.pointerType\n : is.number(pointer.pointerType)\n ? [undefined, undefined,'touch', 'pen', 'mouse'][pointer.pointerType]\n // if the PointerEvent API isn't available, then the \"pointer\" must\n // be either a MouseEvent, TouchEvent, or Touch object\n : /touch/.test(pointer.type) || pointer instanceof domObjects.Touch\n ? 'touch'\n : 'mouse';\n },\n\n // [ event.target, event.currentTarget ]\n getEventTargets: function (event) {\n return [\n domUtils.getActualElement(event.path ? event.path[0] : event.target),\n domUtils.getActualElement(event.currentTarget),\n ];\n },\n};\n\nmodule.exports = pointerUtils;\n","const { window } = require('./window');\n\nconst vendors = ['ms', 'moz', 'webkit', 'o'];\nlet lastTime = 0;\nlet request;\nlet cancel;\n\nfor (let x = 0; x < vendors.length && !window.requestAnimationFrame; x++) {\n request = window[vendors[x] + 'RequestAnimationFrame'];\n cancel = window[vendors[x] +'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];\n}\n\nif (!request) {\n request = function (callback) {\n const currTime = new Date().getTime();\n const timeToCall = Math.max(0, 16 - (currTime - lastTime));\n const id = setTimeout(function () { callback(currTime + timeToCall); },\n timeToCall);\n\n lastTime = currTime + timeToCall;\n return id;\n };\n}\n\nif (!cancel) {\n cancel = function (id) {\n clearTimeout(id);\n };\n}\n\nmodule.exports = {\n request,\n cancel,\n};\n","const extend = require('./extend');\nconst is = require('./is');\nconst {\n closest,\n parentNode,\n getElementRect,\n} = require('./domUtils');\n\nconst rectUtils = {\n getStringOptionResult: function (value, interactable, element) {\n if (!is.string(value)) {\n return null;\n }\n\n if (value === 'parent') {\n value = parentNode(element);\n }\n else if (value === 'self') {\n value = interactable.getRect(element);\n }\n else {\n value = closest(element, value);\n }\n\n return value;\n },\n\n resolveRectLike: function (value, interactable, element, functionArgs) {\n value = rectUtils.getStringOptionResult(value, interactable, element) || value;\n\n if (is.function(value)) {\n value = value.apply(null, functionArgs);\n }\n\n if (is.element(value)) {\n value = getElementRect(value);\n }\n\n return value;\n },\n\n rectToXY: function (rect) {\n return rect && {\n x: 'x' in rect ? rect.x : rect.left,\n y: 'y' in rect ? rect.y : rect.top,\n };\n },\n\n xywhToTlbr: function (rect) {\n if (rect && !('left' in rect && 'top' in rect)) {\n rect = extend({}, rect);\n\n rect.left = rect.x || 0;\n rect.top = rect.y || 0;\n rect.right = rect.right || (rect.left + rect.width);\n rect.bottom = rect.bottom || (rect.top + rect.height);\n }\n\n return rect;\n },\n\n tlbrToXywh: function (rect) {\n if (rect && !('x' in rect && 'y' in rect)) {\n rect = extend({}, rect);\n\n rect.x = rect.left || 0;\n rect.top = rect.top || 0;\n rect.width = rect.width || (rect.right - rect.x);\n rect.height = rect.height || (rect.bottom - rect.y);\n }\n\n return rect;\n },\n};\n\nmodule.exports = rectUtils;\n","const win = module.exports;\nconst isWindow = require('./isWindow');\n\nfunction init (window) {\n // get wrapped window if using Shadow DOM polyfill\n\n win.realWindow = window;\n\n // create a TextNode\n const el = window.document.createTextNode('');\n\n // check if it's wrapped by a polyfill\n if (el.ownerDocument !== window.document\n && typeof window.wrap === 'function'\n && window.wrap(el) === el) {\n // use wrapped window\n window = window.wrap(window);\n }\n\n win.window = window;\n}\n\nif (typeof window === 'undefined') {\n win.window = undefined;\n win.realWindow = undefined;\n}\nelse {\n init(window);\n}\n\nwin.getWindow = function getWindow (node) {\n if (isWindow(node)) {\n return node;\n }\n\n const rootNode = (node.ownerDocument || node);\n\n return rootNode.defaultView || rootNode.parentWindow || win.window;\n};\n\nwin.init = init;\n"]} \ No newline at end of file diff --git a/package.json b/package.json index 76f3e9969..f39704e99 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "interactjs", - "version": "1.3.0-alpha.3+sha.9595c40", + "version": "1.3.0-alpha.4+sha.7970416", "repository": { "type": "git", "url": "https://github.com/taye/interact.js.git"
